Number of teams:   cost[0,0,1] =  0;
  cost[0,1,1] =  0;
  cost[0,2,1] =  263;
  cost[0,3,1] =  2;
  cost[0,4,1] =  194;
  cost[0,5,1] =  267;
  cost[0,6,1] =  314;
  cost[0,7,1] =  241;
  cost[0,8,1] =  150;
  cost[0,9,1] =  48;
  cost[0,10,1] =  180;
  cost[0,11,1] =  10;
  cost[0,12,1] =  317;
  cost[0,13,1] =  307;
  cost[0,14,1] =  262;
  cost[0,15,1] =  169;
  cost[0,16,1] =  100;
  cost[0,17,1] =  148;
  cost[1,0,1] =  127;
  cost[1,1,1] =  263;
  cost[1,2,1] =  0;
  cost[1,3,1] =  202;
  cost[1,4,1] =  22;
  cost[1,5,1] =  201;
  cost[1,6,1] =  43;
  cost[1,7,1] =  300;
  cost[1,8,1] =  277;
  cost[1,9,1] =  97;
  cost[1,10,1] =  107;
  cost[1,11,1] =  34;
  cost[1,12,1] =  96;
  cost[1,13,1] =  220;
  cost[1,14,1] =  262;
  cost[1,15,1] =  84;
  cost[1,16,1] =  160;
  cost[1,17,1] =  265;
  cost[2,0,1] =  253;
  cost[2,1,1] =  2;
  cost[2,2,1] =  202;
  cost[2,3,1] =  0;
  cost[2,4,1] =  255;
  cost[2,5,1] =  197;
  cost[2,6,1] =  253;
  cost[2,7,1] =  303;
  cost[2,8,1] =  54;
  cost[2,9,1] =  264;
  cost[2,10,1] =  297;
  cost[2,11,1] =  38;
  cost[2,12,1] =  202;
  cost[2,13,1] =  143;
  cost[2,14,1] =  138;
  cost[2,15,1] =  27;
  cost[2,16,1] =  305;
  cost[2,17,1] =  55;
  cost[3,0,1] =  258;
  cost[3,1,1] =  194;
  cost[3,2,1] =  22;
  cost[3,3,1] =  255;
  cost[3,4,1] =  0;
  cost[3,5,1] =  257;
  cost[3,6,1] =  272;
  cost[3,7,1] =  304;
  cost[3,8,1] =  210;
  cost[3,9,1] =  46;
  cost[3,10,1] =  88;
  cost[3,11,1] =  244;
  cost[3,12,1] =  142;
  cost[3,13,1] =  309;
  cost[3,14,1] =  183;
  cost[3,15,1] =  227;
  cost[3,16,1] =  145;
  cost[3,17,1] =  124;
  cost[4,0,1] =  295;
  cost[4,1,1] =  267;
  cost[4,2,1] =  201;
  cost[4,3,1] =  197;
  cost[4,4,1] =  257;
  cost[4,5,1] =  0;
  cost[4,6,1] =  56;
  cost[4,7,1] =  56;
  cost[4,8,1] =  179;
  cost[4,9,1] =  36;
  cost[4,10,1] =  110;
  cost[4,11,1] =  119;
  cost[4,12,1] =  9;
  cost[4,13,1] =  148;
  cost[4,14,1] =  322;
  cost[4,15,1] =  152;
  cost[4,16,1] =  287;
  cost[4,17,1] =  25;
  cost[5,0,1] =  64;
  cost[5,1,1] =  314;
  cost[5,2,1] =  43;
  cost[5,3,1] =  253;
  cost[5,4,1] =  272;
  cost[5,5,1] =  56;
  cost[5,6,1] =  0;
  cost[5,7,1] =  255;
  cost[5,8,1] =  137;
  cost[5,9,1] =  275;
  cost[5,10,1] =  203;
  cost[5,11,1] =  118;
  cost[5,12,1] =  162;
  cost[5,13,1] =  250;
  cost[5,14,1] =  207;
  cost[5,15,1] =  83;
  cost[5,16,1] =  68;
  cost[5,17,1] =  192;
  cost[6,0,1] =  108;
  cost[6,1,1] =  241;
  cost[6,2,1] =  300;
  cost[6,3,1] =  303;
  cost[6,4,1] =  304;
  cost[6,5,1] =  56;
  cost[6,6,1] =  255;
  cost[6,7,1] =  0;
  cost[6,8,1] =  14;
  cost[6,9,1] =  67;
  cost[6,10,1] =  154;
  cost[6,11,1] =  263;
  cost[6,12,1] =  124;
  cost[6,13,1] =  210;
  cost[6,14,1] =  118;
  cost[6,15,1] =  160;
  cost[6,16,1] =  320;
  cost[6,17,1] =  237;
  cost[7,0,1] =  248;
  cost[7,1,1] =  150;
  cost[7,2,1] =  277;
  cost[7,3,1] =  54;
  cost[7,4,1] =  210;
  cost[7,5,1] =  179;
  cost[7,6,1] =  137;
  cost[7,7,1] =  14;
  cost[7,8,1] =  0;
  cost[7,9,1] =  236;
  cost[7,10,1] =  322;
  cost[7,11,1] =  108;
  cost[7,12,1] =  261;
  cost[7,13,1] =  132;
  cost[7,14,1] =  127;
  cost[7,15,1] =  192;
  cost[7,16,1] =  270;
  cost[7,17,1] =  79;
  cost[8,0,1] =  89;
  cost[8,1,1] =  48;
  cost[8,2,1] =  97;
  cost[8,3,1] =  264;
  cost[8,4,1] =  46;
  cost[8,5,1] =  36;
  cost[8,6,1] =  275;
  cost[8,7,1] =  67;
  cost[8,8,1] =  236;
  cost[8,9,1] =  0;
  cost[8,10,1] =  241;
  cost[8,11,1] =  322;
  cost[8,12,1] =  272;
  cost[8,13,1] =  0;
  cost[8,14,1] =  66;
  cost[8,15,1] =  141;
  cost[8,16,1] =  267;
  cost[8,17,1] =  38;
  cost[9,0,1] =  179;
  cost[9,1,1] =  180;
  cost[9,2,1] =  107;
  cost[9,3,1] =  297;
  cost[9,4,1] =  88;
  cost[9,5,1] =  110;
  cost[9,6,1] =  203;
  cost[9,7,1] =  154;
  cost[9,8,1] =  322;
  cost[9,9,1] =  241;
  cost[9,10,1] =  0;
  cost[9,11,1] =  192;
  cost[9,12,1] =  94;
  cost[9,13,1] =  135;
  cost[9,14,1] =  79;
  cost[9,15,1] =  213;
  cost[9,16,1] =  296;
  cost[9,17,1] =  76;
  cost[10,0,1] =  154;
  cost[10,1,1] =  10;
  cost[10,2,1] =  34;
  cost[10,3,1] =  38;
  cost[10,4,1] =  244;
  cost[10,5,1] =  119;
  cost[10,6,1] =  118;
  cost[10,7,1] =  263;
  cost[10,8,1] =  108;
  cost[10,9,1] =  322;
  cost[10,10,1] =  192;
  cost[10,11,1] =  0;
  cost[10,12,1] =  221;
  cost[10,13,1] =  39;
  cost[10,14,1] =  140;
  cost[10,15,1] =  6;
  cost[10,16,1] =  301;
  cost[10,17,1] =  272;
  cost[11,0,1] =  203;
  cost[11,1,1] =  317;
  cost[11,2,1] =  96;
  cost[11,3,1] =  202;
  cost[11,4,1] =  142;
  cost[11,5,1] =  9;
  cost[11,6,1] =  162;
  cost[11,7,1] =  124;
  cost[11,8,1] =  261;
  cost[11,9,1] =  272;
  cost[11,10,1] =  94;
  cost[11,11,1] =  221;
  cost[11,12,1] =  0;
  cost[11,13,1] =  218;
  cost[11,14,1] =  214;
  cost[11,15,1] =  242;
  cost[11,16,1] =  283;
  cost[11,17,1] =  131;
  cost[12,0,1] =  118;
  cost[12,1,1] =  307;
  cost[12,2,1] =  220;
  cost[12,3,1] =  143;
  cost[12,4,1] =  309;
  cost[12,5,1] =  148;
  cost[12,6,1] =  250;
  cost[12,7,1] =  210;
  cost[12,8,1] =  132;
  cost[12,9,1] =  0;
  cost[12,10,1] =  135;
  cost[12,11,1] =  39;
  cost[12,12,1] =  218;
  cost[12,13,1] =  0;
  cost[12,14,1] =  132;
  cost[12,15,1] =  308;
  cost[12,16,1] =  48;
  cost[12,17,1] =  76;
  cost[13,0,1] =  166;
  cost[13,1,1] =  262;
  cost[13,2,1] =  262;
  cost[13,3,1] =  138;
  cost[13,4,1] =  183;
  cost[13,5,1] =  322;
  cost[13,6,1] =  207;
  cost[13,7,1] =  118;
  cost[13,8,1] =  127;
  cost[13,9,1] =  66;
  cost[13,10,1] =  79;
  cost[13,11,1] =  140;
  cost[13,12,1] =  214;
  cost[13,13,1] =  132;
  cost[13,14,1] =  0;
  cost[13,15,1] =  88;
  cost[13,16,1] =  215;
  cost[13,17,1] =  299;
  cost[14,0,1] =  308;
  cost[14,1,1] =  169;
  cost[14,2,1] =  84;
  cost[14,3,1] =  27;
  cost[14,4,1] =  227;
  cost[14,5,1] =  152;
  cost[14,6,1] =  83;
  cost[14,7,1] =  160;
  cost[14,8,1] =  192;
  cost[14,9,1] =  141;
  cost[14,10,1] =  213;
  cost[14,11,1] =  6;
  cost[14,12,1] =  242;
  cost[14,13,1] =  308;
  cost[14,14,1] =  88;
  cost[14,15,1] =  0;
  cost[14,16,1] =  188;
  cost[14,17,1] =  196;
  cost[15,0,1] =  296;
  cost[15,1,1] =  100;
  cost[15,2,1] =  160;
  cost[15,3,1] =  305;
  cost[15,4,1] =  145;
  cost[15,5,1] =  287;
  cost[15,6,1] =  68;
  cost[15,7,1] =  320;
  cost[15,8,1] =  270;
  cost[15,9,1] =  267;
  cost[15,10,1] =  296;
  cost[15,11,1] =  301;
  cost[15,12,1] =  283;
  cost[15,13,1] =  48;
  cost[15,14,1] =  215;
  cost[15,15,1] =  188;
  cost[15,16,1] =  0;
  cost[15,17,1] =  14;
  cost[16,0,1] =  205;
  cost[16,1,1] =  148;
  cost[16,2,1] =  265;
  cost[16,3,1] =  55;
  cost[16,4,1] =  124;
  cost[16,5,1] =  25;
  cost[16,6,1] =  192;
  cost[16,7,1] =  237;
  cost[16,8,1] =  79;
  cost[16,9,1] =  38;
  cost[16,10,1] =  76;
  cost[16,11,1] =  272;
  cost[16,12,1] =  131;
  cost[16,13,1] =  76;
  cost[16,14,1] =  299;
  cost[16,15,1] =  196;
  cost[16,16,1] =  14;
  cost[16,17,1] =  0;
  cost[17,0,1] =  232;
  cost[17,1,1] =  162;
  cost[17,2,1] =  279;
  cost[17,3,1] =  229;
  cost[17,4,1] =  182;
  cost[17,5,1] =  133;
  cost[17,6,1] =  266;
  cost[17,7,1] =  169;
  cost[17,8,1] =  72;
  cost[17,9,1] =  155;
  cost[17,10,1] =  127;
  cost[17,11,1] =  134;
  cost[17,12,1] =  241;
  cost[17,13,1] =  22;
  cost[17,14,1] =  224;
  cost[17,15,1] =  47;
  cost[17,16,1] =  269;
  cost[17,17,1] =  154;
  cost[0,0,2] =  0;
  cost[0,1,2] =  0;
  cost[0,2,2] =  103;
  cost[0,3,2] =  86;
  cost[0,4,2] =  180;
  cost[0,5,2] =  321;
  cost[0,6,2] =  300;
  cost[0,7,2] =  99;
  cost[0,8,2] =  281;
  cost[0,9,2] =  108;
  cost[0,10,2] =  16;
  cost[0,11,2] =  188;
  cost[0,12,2] =  241;
  cost[0,13,2] =  0;
  cost[0,14,2] =  237;
  cost[0,15,2] =  317;
  cost[0,16,2] =  23;
  cost[0,17,2] =  117;
  cost[1,0,2] =  1;
  cost[1,1,2] =  103;
  cost[1,2,2] =  0;
  cost[1,3,2] =  92;
  cost[1,4,2] =  305;
  cost[1,5,2] =  210;
  cost[1,6,2] =  281;
  cost[1,7,2] =  178;
  cost[1,8,2] =  257;
  cost[1,9,2] =  273;
  cost[1,10,2] =  192;
  cost[1,11,2] =  202;
  cost[1,12,2] =  306;
  cost[1,13,2] =  23;
  cost[1,14,2] =  154;
  cost[1,15,2] =  315;
  cost[1,16,2] =  126;
  cost[1,17,2] =  241;
  cost[2,0,2] =  299;
  cost[2,1,2] =  86;
  cost[2,2,2] =  92;
  cost[2,3,2] =  0;
  cost[2,4,2] =  217;
  cost[2,5,2] =  271;
  cost[2,6,2] =  81;
  cost[2,7,2] =  2;
  cost[2,8,2] =  287;
  cost[2,9,2] =  270;
  cost[2,10,2] =  243;
  cost[2,11,2] =  288;
  cost[2,12,2] =  183;
  cost[2,13,2] =  237;
  cost[2,14,2] =  312;
  cost[2,15,2] =  301;
  cost[2,16,2] =  319;
  cost[2,17,2] =  227;
  cost[3,0,2] =  192;
  cost[3,1,2] =  180;
  cost[3,2,2] =  305;
  cost[3,3,2] =  217;
  cost[3,4,2] =  0;
  cost[3,5,2] =  113;
  cost[3,6,2] =  27;
  cost[3,7,2] =  155;
  cost[3,8,2] =  47;
  cost[3,9,2] =  301;
  cost[3,10,2] =  23;
  cost[3,11,2] =  249;
  cost[3,12,2] =  283;
  cost[3,13,2] =  46;
  cost[3,14,2] =  80;
  cost[3,15,2] =  275;
  cost[3,16,2] =  173;
  cost[3,17,2] =  321;
  cost[4,0,2] =  58;
  cost[4,1,2] =  321;
  cost[4,2,2] =  210;
  cost[4,3,2] =  271;
  cost[4,4,2] =  113;
  cost[4,5,2] =  0;
  cost[4,6,2] =  215;
  cost[4,7,2] =  71;
  cost[4,8,2] =  54;
  cost[4,9,2] =  217;
  cost[4,10,2] =  35;
  cost[4,11,2] =  0;
  cost[4,12,2] =  137;
  cost[4,13,2] =  0;
  cost[4,14,2] =  184;
  cost[4,15,2] =  50;
  cost[4,16,2] =  312;
  cost[4,17,2] =  161;
  cost[5,0,2] =  52;
  cost[5,1,2] =  300;
  cost[5,2,2] =  281;
  cost[5,3,2] =  81;
  cost[5,4,2] =  27;
  cost[5,5,2] =  215;
  cost[5,6,2] =  0;
  cost[5,7,2] =  232;
  cost[5,8,2] =  22;
  cost[5,9,2] =  5;
  cost[5,10,2] =  260;
  cost[5,11,2] =  178;
  cost[5,12,2] =  52;
  cost[5,13,2] =  237;
  cost[5,14,2] =  201;
  cost[5,15,2] =  302;
  cost[5,16,2] =  197;
  cost[5,17,2] =  248;
  cost[6,0,2] =  126;
  cost[6,1,2] =  99;
  cost[6,2,2] =  178;
  cost[6,3,2] =  2;
  cost[6,4,2] =  155;
  cost[6,5,2] =  71;
  cost[6,6,2] =  232;
  cost[6,7,2] =  0;
  cost[6,8,2] =  97;
  cost[6,9,2] =  56;
  cost[6,10,2] =  273;
  cost[6,11,2] =  70;
  cost[6,12,2] =  271;
  cost[6,13,2] =  21;
  cost[6,14,2] =  125;
  cost[6,15,2] =  165;
  cost[6,16,2] =  56;
  cost[6,17,2] =  125;
  cost[7,0,2] =  295;
  cost[7,1,2] =  281;
  cost[7,2,2] =  257;
  cost[7,3,2] =  287;
  cost[7,4,2] =  47;
  cost[7,5,2] =  54;
  cost[7,6,2] =  22;
  cost[7,7,2] =  97;
  cost[7,8,2] =  0;
  cost[7,9,2] =  309;
  cost[7,10,2] =  29;
  cost[7,11,2] =  45;
  cost[7,12,2] =  147;
  cost[7,13,2] =  75;
  cost[7,14,2] =  261;
  cost[7,15,2] =  55;
  cost[7,16,2] =  98;
  cost[7,17,2] =  266;
  cost[8,0,2] =  265;
  cost[8,1,2] =  108;
  cost[8,2,2] =  273;
  cost[8,3,2] =  270;
  cost[8,4,2] =  301;
  cost[8,5,2] =  217;
  cost[8,6,2] =  5;
  cost[8,7,2] =  56;
  cost[8,8,2] =  309;
  cost[8,9,2] =  0;
  cost[8,10,2] =  319;
  cost[8,11,2] =  229;
  cost[8,12,2] =  154;
  cost[8,13,2] =  297;
  cost[8,14,2] =  103;
  cost[8,15,2] =  78;
  cost[8,16,2] =  31;
  cost[8,17,2] =  252;
  cost[9,0,2] =  116;
  cost[9,1,2] =  16;
  cost[9,2,2] =  192;
  cost[9,3,2] =  243;
  cost[9,4,2] =  23;
  cost[9,5,2] =  35;
  cost[9,6,2] =  260;
  cost[9,7,2] =  273;
  cost[9,8,2] =  29;
  cost[9,9,2] =  319;
  cost[9,10,2] =  0;
  cost[9,11,2] =  202;
  cost[9,12,2] =  247;
  cost[9,13,2] =  36;
  cost[9,14,2] =  223;
  cost[9,15,2] =  48;
  cost[9,16,2] =  201;
  cost[9,17,2] =  280;
  cost[10,0,2] =  179;
  cost[10,1,2] =  188;
  cost[10,2,2] =  202;
  cost[10,3,2] =  288;
  cost[10,4,2] =  249;
  cost[10,5,2] =  0;
  cost[10,6,2] =  178;
  cost[10,7,2] =  70;
  cost[10,8,2] =  45;
  cost[10,9,2] =  229;
  cost[10,10,2] =  202;
  cost[10,11,2] =  0;
  cost[10,12,2] =  12;
  cost[10,13,2] =  159;
  cost[10,14,2] =  210;
  cost[10,15,2] =  58;
  cost[10,16,2] =  307;
  cost[10,17,2] =  285;
  cost[11,0,2] =  187;
  cost[11,1,2] =  241;
  cost[11,2,2] =  306;
  cost[11,3,2] =  183;
  cost[11,4,2] =  283;
  cost[11,5,2] =  137;
  cost[11,6,2] =  52;
  cost[11,7,2] =  271;
  cost[11,8,2] =  147;
  cost[11,9,2] =  154;
  cost[11,10,2] =  247;
  cost[11,11,2] =  12;
  cost[11,12,2] =  0;
  cost[11,13,2] =  59;
  cost[11,14,2] =  261;
  cost[11,15,2] =  30;
  cost[11,16,2] =  12;
  cost[11,17,2] =  256;
  cost[12,0,2] =  146;
  cost[12,1,2] =  0;
  cost[12,2,2] =  23;
  cost[12,3,2] =  237;
  cost[12,4,2] =  46;
  cost[12,5,2] =  0;
  cost[12,6,2] =  237;
  cost[12,7,2] =  21;
  cost[12,8,2] =  75;
  cost[12,9,2] =  297;
  cost[12,10,2] =  36;
  cost[12,11,2] =  159;
  cost[12,12,2] =  59;
  cost[12,13,2] =  0;
  cost[12,14,2] =  230;
  cost[12,15,2] =  39;
  cost[12,16,2] =  245;
  cost[12,17,2] =  262;
  cost[13,0,2] =  222;
  cost[13,1,2] =  237;
  cost[13,2,2] =  154;
  cost[13,3,2] =  312;
  cost[13,4,2] =  80;
  cost[13,5,2] =  184;
  cost[13,6,2] =  201;
  cost[13,7,2] =  125;
  cost[13,8,2] =  261;
  cost[13,9,2] =  103;
  cost[13,10,2] =  223;
  cost[13,11,2] =  210;
  cost[13,12,2] =  261;
  cost[13,13,2] =  230;
  cost[13,14,2] =  0;
  cost[13,15,2] =  26;
  cost[13,16,2] =  170;
  cost[13,17,2] =  21;
  cost[14,0,2] =  32;
  cost[14,1,2] =  317;
  cost[14,2,2] =  315;
  cost[14,3,2] =  301;
  cost[14,4,2] =  275;
  cost[14,5,2] =  50;
  cost[14,6,2] =  302;
  cost[14,7,2] =  165;
  cost[14,8,2] =  55;
  cost[14,9,2] =  78;
  cost[14,10,2] =  48;
  cost[14,11,2] =  58;
  cost[14,12,2] =  30;
  cost[14,13,2] =  39;
  cost[14,14,2] =  26;
  cost[14,15,2] =  0;
  cost[14,16,2] =  69;
  cost[14,17,2] =  264;
  cost[15,0,2] =  171;
  cost[15,1,2] =  23;
  cost[15,2,2] =  126;
  cost[15,3,2] =  319;
  cost[15,4,2] =  173;
  cost[15,5,2] =  312;
  cost[15,6,2] =  197;
  cost[15,7,2] =  56;
  cost[15,8,2] =  98;
  cost[15,9,2] =  31;
  cost[15,10,2] =  201;
  cost[15,11,2] =  307;
  cost[15,12,2] =  12;
  cost[15,13,2] =  245;
  cost[15,14,2] =  170;
  cost[15,15,2] =  69;
  cost[15,16,2] =  0;
  cost[15,17,2] =  121;
  cost[16,0,2] =  245;
  cost[16,1,2] =  117;
  cost[16,2,2] =  241;
  cost[16,3,2] =  227;
  cost[16,4,2] =  321;
  cost[16,5,2] =  161;
  cost[16,6,2] =  248;
  cost[16,7,2] =  125;
  cost[16,8,2] =  266;
  cost[16,9,2] =  252;
  cost[16,10,2] =  280;
  cost[16,11,2] =  285;
  cost[16,12,2] =  256;
  cost[16,13,2] =  262;
  cost[16,14,2] =  21;
  cost[16,15,2] =  264;
  cost[16,16,2] =  121;
  cost[16,17,2] =  0;
  cost[17,0,2] =  98;
  cost[17,1,2] =  81;
  cost[17,2,2] =  172;
  cost[17,3,2] =  70;
  cost[17,4,2] =  124;
  cost[17,5,2] =  45;
  cost[17,6,2] =  58;
  cost[17,7,2] =  303;
  cost[17,8,2] =  315;
  cost[17,9,2] =  176;
  cost[17,10,2] =  173;
  cost[17,11,2] =  319;
  cost[17,12,2] =  260;
  cost[17,13,2] =  292;
  cost[17,14,2] =  62;
  cost[17,15,2] =  26;
  cost[17,16,2] =  39;
  cost[17,17,2] =  8;
  cost[0,0,3] =  0;
  cost[0,1,3] =  0;
  cost[0,2,3] =  294;
  cost[0,3,3] =  92;
  cost[0,4,3] =  101;
  cost[0,5,3] =  30;
  cost[0,6,3] =  30;
  cost[0,7,3] =  132;
  cost[0,8,3] =  42;
  cost[0,9,3] =  287;
  cost[0,10,3] =  68;
  cost[0,11,3] =  208;
  cost[0,12,3] =  193;
  cost[0,13,3] =  108;
  cost[0,14,3] =  130;
  cost[0,15,3] =  132;
  cost[0,16,3] =  77;
  cost[0,17,3] =  228;
  cost[1,0,3] =  209;
  cost[1,1,3] =  294;
  cost[1,2,3] =  0;
  cost[1,3,3] =  249;
  cost[1,4,3] =  221;
  cost[1,5,3] =  318;
  cost[1,6,3] =  319;
  cost[1,7,3] =  162;
  cost[1,8,3] =  21;
  cost[1,9,3] =  238;
  cost[1,10,3] =  284;
  cost[1,11,3] =  60;
  cost[1,12,3] =  318;
  cost[1,13,3] =  292;
  cost[1,14,3] =  157;
  cost[1,15,3] =  56;
  cost[1,16,3] =  263;
  cost[1,17,3] =  250;
  cost[2,0,3] =  117;
  cost[2,1,3] =  92;
  cost[2,2,3] =  249;
  cost[2,3,3] =  0;
  cost[2,4,3] =  280;
  cost[2,5,3] =  290;
  cost[2,6,3] =  12;
  cost[2,7,3] =  244;
  cost[2,8,3] =  35;
  cost[2,9,3] =  221;
  cost[2,10,3] =  113;
  cost[2,11,3] =  144;
  cost[2,12,3] =  27;
  cost[2,13,3] =  246;
  cost[2,14,3] =  221;
  cost[2,15,3] =  255;
  cost[2,16,3] =  80;
  cost[2,17,3] =  146;
  cost[3,0,3] =  93;
  cost[3,1,3] =  101;
  cost[3,2,3] =  221;
  cost[3,3,3] =  280;
  cost[3,4,3] =  0;
  cost[3,5,3] =  140;
  cost[3,6,3] =  175;
  cost[3,7,3] =  141;
  cost[3,8,3] =  162;
  cost[3,9,3] =  90;
  cost[3,10,3] =  101;
  cost[3,11,3] =  222;
  cost[3,12,3] =  84;
  cost[3,13,3] =  70;
  cost[3,14,3] =  56;
  cost[3,15,3] =  141;
  cost[3,16,3] =  9;
  cost[3,17,3] =  306;
  cost[4,0,3] =  107;
  cost[4,1,3] =  30;
  cost[4,2,3] =  318;
  cost[4,3,3] =  290;
  cost[4,4,3] =  140;
  cost[4,5,3] =  0;
  cost[4,6,3] =  263;
  cost[4,7,3] =  266;
  cost[4,8,3] =  315;
  cost[4,9,3] =  183;
  cost[4,10,3] =  302;
  cost[4,11,3] =  212;
  cost[4,12,3] =  297;
  cost[4,13,3] =  123;
  cost[4,14,3] =  239;
  cost[4,15,3] =  219;
  cost[4,16,3] =  21;
  cost[4,17,3] =  171;
  cost[5,0,3] =  29;
  cost[5,1,3] =  30;
  cost[5,2,3] =  319;
  cost[5,3,3] =  12;
  cost[5,4,3] =  175;
  cost[5,5,3] =  263;
  cost[5,6,3] =  0;
  cost[5,7,3] =  27;
  cost[5,8,3] =  279;
  cost[5,9,3] =  308;
  cost[5,10,3] =  203;
  cost[5,11,3] =  96;
  cost[5,12,3] =  146;
  cost[5,13,3] =  294;
  cost[5,14,3] =  197;
  cost[5,15,3] =  44;
  cost[5,16,3] =  55;
  cost[5,17,3] =  268;
  cost[6,0,3] =  138;
  cost[6,1,3] =  132;
  cost[6,2,3] =  162;
  cost[6,3,3] =  244;
  cost[6,4,3] =  141;
  cost[6,5,3] =  266;
  cost[6,6,3] =  27;
  cost[6,7,3] =  0;
  cost[6,8,3] =  278;
  cost[6,9,3] =  83;
  cost[6,10,3] =  173;
  cost[6,11,3] =  257;
  cost[6,12,3] =  23;
  cost[6,13,3] =  116;
  cost[6,14,3] =  249;
  cost[6,15,3] =  207;
  cost[6,16,3] =  94;
  cost[6,17,3] =  137;
  cost[7,0,3] =  302;
  cost[7,1,3] =  42;
  cost[7,2,3] =  21;
  cost[7,3,3] =  35;
  cost[7,4,3] =  162;
  cost[7,5,3] =  315;
  cost[7,6,3] =  279;
  cost[7,7,3] =  278;
  cost[7,8,3] =  0;
  cost[7,9,3] =  53;
  cost[7,10,3] =  76;
  cost[7,11,3] =  239;
  cost[7,12,3] =  224;
  cost[7,13,3] =  52;
  cost[7,14,3] =  82;
  cost[7,15,3] =  252;
  cost[7,16,3] =  7;
  cost[7,17,3] =  66;
  cost[8,0,3] =  189;
  cost[8,1,3] =  287;
  cost[8,2,3] =  238;
  cost[8,3,3] =  221;
  cost[8,4,3] =  90;
  cost[8,5,3] =  183;
  cost[8,6,3] =  308;
  cost[8,7,3] =  83;
  cost[8,8,3] =  53;
  cost[8,9,3] =  0;
  cost[8,10,3] =  212;
  cost[8,11,3] =  103;
  cost[8,12,3] =  302;
  cost[8,13,3] =  257;
  cost[8,14,3] =  158;
  cost[8,15,3] =  246;
  cost[8,16,3] =  34;
  cost[8,17,3] =  32;
  cost[9,0,3] =  86;
  cost[9,1,3] =  68;
  cost[9,2,3] =  284;
  cost[9,3,3] =  113;
  cost[9,4,3] =  101;
  cost[9,5,3] =  302;
  cost[9,6,3] =  203;
  cost[9,7,3] =  173;
  cost[9,8,3] =  76;
  cost[9,9,3] =  212;
  cost[9,10,3] =  0;
  cost[9,11,3] =  205;
  cost[9,12,3] =  135;
  cost[9,13,3] =  142;
  cost[9,14,3] =  321;
  cost[9,15,3] =  60;
  cost[9,16,3] =  25;
  cost[9,17,3] =  92;
  cost[10,0,3] =  213;
  cost[10,1,3] =  208;
  cost[10,2,3] =  60;
  cost[10,3,3] =  144;
  cost[10,4,3] =  222;
  cost[10,5,3] =  212;
  cost[10,6,3] =  96;
  cost[10,7,3] =  257;
  cost[10,8,3] =  239;
  cost[10,9,3] =  103;
  cost[10,10,3] =  205;
  cost[10,11,3] =  0;
  cost[10,12,3] =  310;
  cost[10,13,3] =  252;
  cost[10,14,3] =  282;
  cost[10,15,3] =  226;
  cost[10,16,3] =  153;
  cost[10,17,3] =  11;
  cost[11,0,3] =  246;
  cost[11,1,3] =  193;
  cost[11,2,3] =  318;
  cost[11,3,3] =  27;
  cost[11,4,3] =  84;
  cost[11,5,3] =  297;
  cost[11,6,3] =  146;
  cost[11,7,3] =  23;
  cost[11,8,3] =  224;
  cost[11,9,3] =  302;
  cost[11,10,3] =  135;
  cost[11,11,3] =  310;
  cost[11,12,3] =  0;
  cost[11,13,3] =  18;
  cost[11,14,3] =  51;
  cost[11,15,3] =  215;
  cost[11,16,3] =  123;
  cost[11,17,3] =  263;
  cost[12,0,3] =  157;
  cost[12,1,3] =  108;
  cost[12,2,3] =  292;
  cost[12,3,3] =  246;
  cost[12,4,3] =  70;
  cost[12,5,3] =  123;
  cost[12,6,3] =  294;
  cost[12,7,3] =  116;
  cost[12,8,3] =  52;
  cost[12,9,3] =  257;
  cost[12,10,3] =  142;
  cost[12,11,3] =  252;
  cost[12,12,3] =  18;
  cost[12,13,3] =  0;
  cost[12,14,3] =  197;
  cost[12,15,3] =  153;
  cost[12,16,3] =  23;
  cost[12,17,3] =  232;
  cost[13,0,3] =  50;
  cost[13,1,3] =  130;
  cost[13,2,3] =  157;
  cost[13,3,3] =  221;
  cost[13,4,3] =  56;
  cost[13,5,3] =  239;
  cost[13,6,3] =  197;
  cost[13,7,3] =  249;
  cost[13,8,3] =  82;
  cost[13,9,3] =  158;
  cost[13,10,3] =  321;
  cost[13,11,3] =  282;
  cost[13,12,3] =  51;
  cost[13,13,3] =  197;
  cost[13,14,3] =  0;
  cost[13,15,3] =  26;
  cost[13,16,3] =  67;
  cost[13,17,3] =  36;
  cost[14,0,3] =  286;
  cost[14,1,3] =  132;
  cost[14,2,3] =  56;
  cost[14,3,3] =  255;
  cost[14,4,3] =  141;
  cost[14,5,3] =  219;
  cost[14,6,3] =  44;
  cost[14,7,3] =  207;
  cost[14,8,3] =  252;
  cost[14,9,3] =  246;
  cost[14,10,3] =  60;
  cost[14,11,3] =  226;
  cost[14,12,3] =  215;
  cost[14,13,3] =  153;
  cost[14,14,3] =  26;
  cost[14,15,3] =  0;
  cost[14,16,3] =  96;
  cost[14,17,3] =  193;
  cost[15,0,3] =  202;
  cost[15,1,3] =  77;
  cost[15,2,3] =  263;
  cost[15,3,3] =  80;
  cost[15,4,3] =  9;
  cost[15,5,3] =  21;
  cost[15,6,3] =  55;
  cost[15,7,3] =  94;
  cost[15,8,3] =  7;
  cost[15,9,3] =  34;
  cost[15,10,3] =  25;
  cost[15,11,3] =  153;
  cost[15,12,3] =  123;
  cost[15,13,3] =  23;
  cost[15,14,3] =  67;
  cost[15,15,3] =  96;
  cost[15,16,3] =  0;
  cost[15,17,3] =  75;
  cost[16,0,3] =  167;
  cost[16,1,3] =  228;
  cost[16,2,3] =  250;
  cost[16,3,3] =  146;
  cost[16,4,3] =  306;
  cost[16,5,3] =  171;
  cost[16,6,3] =  268;
  cost[16,7,3] =  137;
  cost[16,8,3] =  66;
  cost[16,9,3] =  32;
  cost[16,10,3] =  92;
  cost[16,11,3] =  11;
  cost[16,12,3] =  263;
  cost[16,13,3] =  232;
  cost[16,14,3] =  36;
  cost[16,15,3] =  193;
  cost[16,16,3] =  75;
  cost[16,17,3] =  0;
  cost[17,0,3] =  67;
  cost[17,1,3] =  158;
  cost[17,2,3] =  158;
  cost[17,3,3] =  180;
  cost[17,4,3] =  300;
  cost[17,5,3] =  300;
  cost[17,6,3] =  101;
  cost[17,7,3] =  180;
  cost[17,8,3] =  132;
  cost[17,9,3] =  201;
  cost[17,10,3] =  198;
  cost[17,11,3] =  308;
  cost[17,12,3] =  318;
  cost[17,13,3] =  185;
  cost[17,14,3] =  168;
  cost[17,15,3] =  157;
  cost[17,16,3] =  144;
  cost[17,17,3] =  33;
  cost[0,0,4] =  0;
  cost[0,1,4] =  0;
  cost[0,2,4] =  45;
  cost[0,3,4] =  31;
  cost[0,4,4] =  135;
  cost[0,5,4] =  63;
  cost[0,6,4] =  82;
  cost[0,7,4] =  26;
  cost[0,8,4] =  187;
  cost[0,9,4] =  22;
  cost[0,10,4] =  21;
  cost[0,11,4] =  288;
  cost[0,12,4] =  219;
  cost[0,13,4] =  174;
  cost[0,14,4] =  311;
  cost[0,15,4] =  127;
  cost[0,16,4] =  36;
  cost[0,17,4] =  212;
  cost[1,0,4] =  160;
  cost[1,1,4] =  45;
  cost[1,2,4] =  0;
  cost[1,3,4] =  249;
  cost[1,4,4] =  323;
  cost[1,5,4] =  168;
  cost[1,6,4] =  22;
  cost[1,7,4] =  192;
  cost[1,8,4] =  2;
  cost[1,9,4] =  317;
  cost[1,10,4] =  268;
  cost[1,11,4] =  147;
  cost[1,12,4] =  217;
  cost[1,13,4] =  302;
  cost[1,14,4] =  194;
  cost[1,15,4] =  271;
  cost[1,16,4] =  23;
  cost[1,17,4] =  225;
  cost[2,0,4] =  179;
  cost[2,1,4] =  31;
  cost[2,2,4] =  249;
  cost[2,3,4] =  0;
  cost[2,4,4] =  307;
  cost[2,5,4] =  109;
  cost[2,6,4] =  274;
  cost[2,7,4] =  6;
  cost[2,8,4] =  131;
  cost[2,9,4] =  238;
  cost[2,10,4] =  226;
  cost[2,11,4] =  305;
  cost[2,12,4] =  226;
  cost[2,13,4] =  29;
  cost[2,14,4] =  18;
  cost[2,15,4] =  115;
  cost[2,16,4] =  184;
  cost[2,17,4] =  122;
  cost[3,0,4] =  304;
  cost[3,1,4] =  135;
  cost[3,2,4] =  323;
  cost[3,3,4] =  307;
  cost[3,4,4] =  0;
  cost[3,5,4] =  290;
  cost[3,6,4] =  63;
  cost[3,7,4] =  52;
  cost[3,8,4] =  293;
  cost[3,9,4] =  56;
  cost[3,10,4] =  320;
  cost[3,11,4] =  116;
  cost[3,12,4] =  274;
  cost[3,13,4] =  299;
  cost[3,14,4] =  310;
  cost[3,15,4] =  221;
  cost[3,16,4] =  322;
  cost[3,17,4] =  212;
  cost[4,0,4] =  259;
  cost[4,1,4] =  63;
  cost[4,2,4] =  168;
  cost[4,3,4] =  109;
  cost[4,4,4] =  290;
  cost[4,5,4] =  0;
  cost[4,6,4] =  196;
  cost[4,7,4] =  90;
  cost[4,8,4] =  37;
  cost[4,9,4] =  202;
  cost[4,10,4] =  221;
  cost[4,11,4] =  275;
  cost[4,12,4] =  104;
  cost[4,13,4] =  203;
  cost[4,14,4] =  178;
  cost[4,15,4] =  134;
  cost[4,16,4] =  221;
  cost[4,17,4] =  293;
  cost[5,0,4] =  263;
  cost[5,1,4] =  82;
  cost[5,2,4] =  22;
  cost[5,3,4] =  274;
  cost[5,4,4] =  63;
  cost[5,5,4] =  196;
  cost[5,6,4] =  0;
  cost[5,7,4] =  10;
  cost[5,8,4] =  177;
  cost[5,9,4] =  310;
  cost[5,10,4] =  73;
  cost[5,11,4] =  229;
  cost[5,12,4] =  279;
  cost[5,13,4] =  130;
  cost[5,14,4] =  226;
  cost[5,15,4] =  72;
  cost[5,16,4] =  81;
  cost[5,17,4] =  202;
  cost[6,0,4] =  192;
  cost[6,1,4] =  26;
  cost[6,2,4] =  192;
  cost[6,3,4] =  6;
  cost[6,4,4] =  52;
  cost[6,5,4] =  90;
  cost[6,6,4] =  10;
  cost[6,7,4] =  0;
  cost[6,8,4] =  201;
  cost[6,9,4] =  271;
  cost[6,10,4] =  284;
  cost[6,11,4] =  287;
  cost[6,12,4] =  143;
  cost[6,13,4] =  50;
  cost[6,14,4] =  0;
  cost[6,15,4] =  21;
  cost[6,16,4] =  272;
  cost[6,17,4] =  276;
  cost[7,0,4] =  212;
  cost[7,1,4] =  187;
  cost[7,2,4] =  2;
  cost[7,3,4] =  131;
  cost[7,4,4] =  293;
  cost[7,5,4] =  37;
  cost[7,6,4] =  177;
  cost[7,7,4] =  201;
  cost[7,8,4] =  0;
  cost[7,9,4] =  130;
  cost[7,10,4] =  260;
  cost[7,11,4] =  49;
  cost[7,12,4] =  100;
  cost[7,13,4] =  254;
  cost[7,14,4] =  69;
  cost[7,15,4] =  111;
  cost[7,16,4] =  108;
  cost[7,17,4] =  55;
  cost[8,0,4] =  322;
  cost[8,1,4] =  22;
  cost[8,2,4] =  317;
  cost[8,3,4] =  238;
  cost[8,4,4] =  56;
  cost[8,5,4] =  202;
  cost[8,6,4] =  310;
  cost[8,7,4] =  271;
  cost[8,8,4] =  130;
  cost[8,9,4] =  0;
  cost[8,10,4] =  11;
  cost[8,11,4] =  315;
  cost[8,12,4] =  240;
  cost[8,13,4] =  84;
  cost[8,14,4] =  73;
  cost[8,15,4] =  119;
  cost[8,16,4] =  143;
  cost[8,17,4] =  52;
  cost[9,0,4] =  303;
  cost[9,1,4] =  21;
  cost[9,2,4] =  268;
  cost[9,3,4] =  226;
  cost[9,4,4] =  320;
  cost[9,5,4] =  221;
  cost[9,6,4] =  73;
  cost[9,7,4] =  284;
  cost[9,8,4] =  260;
  cost[9,9,4] =  11;
  cost[9,10,4] =  0;
  cost[9,11,4] =  12;
  cost[9,12,4] =  283;
  cost[9,13,4] =  234;
  cost[9,14,4] =  63;
  cost[9,15,4] =  284;
  cost[9,16,4] =  256;
  cost[9,17,4] =  11;
  cost[10,0,4] =  105;
  cost[10,1,4] =  288;
  cost[10,2,4] =  147;
  cost[10,3,4] =  305;
  cost[10,4,4] =  116;
  cost[10,5,4] =  275;
  cost[10,6,4] =  229;
  cost[10,7,4] =  287;
  cost[10,8,4] =  49;
  cost[10,9,4] =  315;
  cost[10,10,4] =  12;
  cost[10,11,4] =  0;
  cost[10,12,4] =  163;
  cost[10,13,4] =  43;
  cost[10,14,4] =  318;
  cost[10,15,4] =  213;
  cost[10,16,4] =  144;
  cost[10,17,4] =  249;
  cost[11,0,4] =  283;
  cost[11,1,4] =  219;
  cost[11,2,4] =  217;
  cost[11,3,4] =  226;
  cost[11,4,4] =  274;
  cost[11,5,4] =  104;
  cost[11,6,4] =  279;
  cost[11,7,4] =  143;
  cost[11,8,4] =  100;
  cost[11,9,4] =  240;
  cost[11,10,4] =  283;
  cost[11,11,4] =  163;
  cost[11,12,4] =  0;
  cost[11,13,4] =  33;
  cost[11,14,4] =  14;
  cost[11,15,4] =  117;
  cost[11,16,4] =  48;
  cost[11,17,4] =  26;
  cost[12,0,4] =  190;
  cost[12,1,4] =  174;
  cost[12,2,4] =  302;
  cost[12,3,4] =  29;
  cost[12,4,4] =  299;
  cost[12,5,4] =  203;
  cost[12,6,4] =  130;
  cost[12,7,4] =  50;
  cost[12,8,4] =  254;
  cost[12,9,4] =  84;
  cost[12,10,4] =  234;
  cost[12,11,4] =  43;
  cost[12,12,4] =  33;
  cost[12,13,4] =  0;
  cost[12,14,4] =  110;
  cost[12,15,4] =  182;
  cost[12,16,4] =  84;
  cost[12,17,4] =  254;
  cost[13,0,4] =  206;
  cost[13,1,4] =  311;
  cost[13,2,4] =  194;
  cost[13,3,4] =  18;
  cost[13,4,4] =  310;
  cost[13,5,4] =  178;
  cost[13,6,4] =  226;
  cost[13,7,4] =  0;
  cost[13,8,4] =  69;
  cost[13,9,4] =  73;
  cost[13,10,4] =  63;
  cost[13,11,4] =  318;
  cost[13,12,4] =  14;
  cost[13,13,4] =  110;
  cost[13,14,4] =  0;
  cost[13,15,4] =  22;
  cost[13,16,4] =  247;
  cost[13,17,4] =  40;
  cost[14,0,4] =  246;
  cost[14,1,4] =  127;
  cost[14,2,4] =  271;
  cost[14,3,4] =  115;
  cost[14,4,4] =  221;
  cost[14,5,4] =  134;
  cost[14,6,4] =  72;
  cost[14,7,4] =  21;
  cost[14,8,4] =  111;
  cost[14,9,4] =  119;
  cost[14,10,4] =  284;
  cost[14,11,4] =  213;
  cost[14,12,4] =  117;
  cost[14,13,4] =  182;
  cost[14,14,4] =  22;
  cost[14,15,4] =  0;
  cost[14,16,4] =  1;
  cost[14,17,4] =  189;
  cost[15,0,4] =  251;
  cost[15,1,4] =  36;
  cost[15,2,4] =  23;
  cost[15,3,4] =  184;
  cost[15,4,4] =  322;
  cost[15,5,4] =  221;
  cost[15,6,4] =  81;
  cost[15,7,4] =  272;
  cost[15,8,4] =  108;
  cost[15,9,4] =  143;
  cost[15,10,4] =  256;
  cost[15,11,4] =  144;
  cost[15,12,4] =  48;
  cost[15,13,4] =  84;
  cost[15,14,4] =  247;
  cost[15,15,4] =  1;
  cost[15,16,4] =  0;
  cost[15,17,4] =  248;
  cost[16,0,4] =  257;
  cost[16,1,4] =  212;
  cost[16,2,4] =  225;
  cost[16,3,4] =  122;
  cost[16,4,4] =  212;
  cost[16,5,4] =  293;
  cost[16,6,4] =  202;
  cost[16,7,4] =  276;
  cost[16,8,4] =  55;
  cost[16,9,4] =  52;
  cost[16,10,4] =  11;
  cost[16,11,4] =  249;
  cost[16,12,4] =  26;
  cost[16,13,4] =  254;
  cost[16,14,4] =  40;
  cost[16,15,4] =  189;
  cost[16,16,4] =  248;
  cost[16,17,4] =  0;
  cost[17,0,4] =  85;
  cost[17,1,4] =  154;
  cost[17,2,4] =  82;
  cost[17,3,4] =  40;
  cost[17,4,4] =  304;
  cost[17,5,4] =  318;
  cost[17,6,4] =  59;
  cost[17,7,4] =  126;
  cost[17,8,4] =  185;
  cost[17,9,4] =  320;
  cost[17,10,4] =  237;
  cost[17,11,4] =  282;
  cost[17,12,4] =  109;
  cost[17,13,4] =  234;
  cost[17,14,4] =  256;
  cost[17,15,4] =  321;
  cost[17,16,4] =  161;
  cost[17,17,4] =  243;
  cost[0,0,5] =  0;
  cost[0,1,5] =  323;
  cost[0,2,5] =  11;
  cost[0,3,5] =  169;
  cost[0,4,5] =  65;
  cost[0,5,5] =  214;
  cost[0,6,5] =  226;
  cost[0,7,5] =  106;
  cost[0,8,5] =  288;
  cost[0,9,5] =  209;
  cost[0,10,5] =  110;
  cost[0,11,5] =  16;
  cost[0,12,5] =  248;
  cost[0,13,5] =  260;
  cost[0,14,5] =  226;
  cost[0,15,5] =  220;
  cost[0,16,5] =  292;
  cost[0,17,5] =  101;
  cost[1,0,5] =  323;
  cost[1,1,5] =  0;
  cost[1,2,5] =  96;
  cost[1,3,5] =  262;
  cost[1,4,5] =  61;
  cost[1,5,5] =  191;
  cost[1,6,5] =  17;
  cost[1,7,5] =  32;
  cost[1,8,5] =  50;
  cost[1,9,5] =  79;
  cost[1,10,5] =  44;
  cost[1,11,5] =  190;
  cost[1,12,5] =  18;
  cost[1,13,5] =  288;
  cost[1,14,5] =  306;
  cost[1,15,5] =  18;
  cost[1,16,5] =  299;
  cost[1,17,5] =  151;
  cost[2,0,5] =  11;
  cost[2,1,5] =  96;
  cost[2,2,5] =  0;
  cost[2,3,5] =  190;
  cost[2,4,5] =  54;
  cost[2,5,5] =  189;
  cost[2,6,5] =  154;
  cost[2,7,5] =  264;
  cost[2,8,5] =  300;
  cost[2,9,5] =  170;
  cost[2,10,5] =  188;
  cost[2,11,5] =  236;
  cost[2,12,5] =  72;
  cost[2,13,5] =  85;
  cost[2,14,5] =  205;
  cost[2,15,5] =  174;
  cost[2,16,5] =  5;
  cost[2,17,5] =  301;
  cost[3,0,5] =  169;
  cost[3,1,5] =  262;
  cost[3,2,5] =  190;
  cost[3,3,5] =  0;
  cost[3,4,5] =  66;
  cost[3,5,5] =  169;
  cost[3,6,5] =  129;
  cost[3,7,5] =  99;
  cost[3,8,5] =  220;
  cost[3,9,5] =  209;
  cost[3,10,5] =  143;
  cost[3,11,5] =  87;
  cost[3,12,5] =  227;
  cost[3,13,5] =  107;
  cost[3,14,5] =  69;
  cost[3,15,5] =  245;
  cost[3,16,5] =  83;
  cost[3,17,5] =  221;
  cost[4,0,5] =  65;
  cost[4,1,5] =  61;
  cost[4,2,5] =  54;
  cost[4,3,5] =  66;
  cost[4,4,5] =  0;
  cost[4,5,5] =  273;
  cost[4,6,5] =  276;
  cost[4,7,5] =  194;
  cost[4,8,5] =  104;
  cost[4,9,5] =  216;
  cost[4,10,5] =  170;
  cost[4,11,5] =  274;
  cost[4,12,5] =  81;
  cost[4,13,5] =  83;
  cost[4,14,5] =  23;
  cost[4,15,5] =  166;
  cost[4,16,5] =  288;
  cost[4,17,5] =  198;
  cost[5,0,5] =  214;
  cost[5,1,5] =  191;
  cost[5,2,5] =  189;
  cost[5,3,5] =  169;
  cost[5,4,5] =  273;
  cost[5,5,5] =  0;
  cost[5,6,5] =  266;
  cost[5,7,5] =  310;
  cost[5,8,5] =  238;
  cost[5,9,5] =  111;
  cost[5,10,5] =  116;
  cost[5,11,5] =  14;
  cost[5,12,5] =  7;
  cost[5,13,5] =  1;
  cost[5,14,5] =  157;
  cost[5,15,5] =  94;
  cost[5,16,5] =  229;
  cost[5,17,5] =  265;
  cost[6,0,5] =  226;
  cost[6,1,5] =  17;
  cost[6,2,5] =  154;
  cost[6,3,5] =  129;
  cost[6,4,5] =  276;
  cost[6,5,5] =  266;
  cost[6,6,5] =  0;
  cost[6,7,5] =  151;
  cost[6,8,5] =  25;
  cost[6,9,5] =  61;
  cost[6,10,5] =  156;
  cost[6,11,5] =  299;
  cost[6,12,5] =  14;
  cost[6,13,5] =  27;
  cost[6,14,5] =  79;
  cost[6,15,5] =  230;
  cost[6,16,5] =  198;
  cost[6,17,5] =  30;
  cost[7,0,5] =  106;
  cost[7,1,5] =  32;
  cost[7,2,5] =  264;
  cost[7,3,5] =  99;
  cost[7,4,5] =  194;
  cost[7,5,5] =  310;
  cost[7,6,5] =  151;
  cost[7,7,5] =  0;
  cost[7,8,5] =  281;
  cost[7,9,5] =  53;
  cost[7,10,5] =  154;
  cost[7,11,5] =  245;
  cost[7,12,5] =  251;
  cost[7,13,5] =  2;
  cost[7,14,5] =  187;
  cost[7,15,5] =  238;
  cost[7,16,5] =  240;
  cost[7,17,5] =  298;
  cost[8,0,5] =  288;
  cost[8,1,5] =  50;
  cost[8,2,5] =  300;
  cost[8,3,5] =  220;
  cost[8,4,5] =  104;
  cost[8,5,5] =  238;
  cost[8,6,5] =  25;
  cost[8,7,5] =  281;
  cost[8,8,5] =  0;
  cost[8,9,5] =  255;
  cost[8,10,5] =  306;
  cost[8,11,5] =  32;
  cost[8,12,5] =  89;
  cost[8,13,5] =  77;
  cost[8,14,5] =  262;
  cost[8,15,5] =  30;
  cost[8,16,5] =  241;
  cost[8,17,5] =  89;
  cost[9,0,5] =  209;
  cost[9,1,5] =  79;
  cost[9,2,5] =  170;
  cost[9,3,5] =  209;
  cost[9,4,5] =  216;
  cost[9,5,5] =  111;
  cost[9,6,5] =  61;
  cost[9,7,5] =  53;
  cost[9,8,5] =  255;
  cost[9,9,5] =  0;
  cost[9,10,5] =  303;
  cost[9,11,5] =  246;
  cost[9,12,5] =  31;
  cost[9,13,5] =  317;
  cost[9,14,5] =  273;
  cost[9,15,5] =  110;
  cost[9,16,5] =  224;
  cost[9,17,5] =  147;
  cost[10,0,5] =  110;
  cost[10,1,5] =  44;
  cost[10,2,5] =  188;
  cost[10,3,5] =  143;
  cost[10,4,5] =  170;
  cost[10,5,5] =  116;
  cost[10,6,5] =  156;
  cost[10,7,5] =  154;
  cost[10,8,5] =  306;
  cost[10,9,5] =  303;
  cost[10,10,5] =  0;
  cost[10,11,5] =  211;
  cost[10,12,5] =  104;
  cost[10,13,5] =  194;
  cost[10,14,5] =  42;
  cost[10,15,5] =  26;
  cost[10,16,5] =  122;
  cost[10,17,5] =  44;
  cost[11,0,5] =  16;
  cost[11,1,5] =  190;
  cost[11,2,5] =  236;
  cost[11,3,5] =  87;
  cost[11,4,5] =  274;
  cost[11,5,5] =  14;
  cost[11,6,5] =  299;
  cost[11,7,5] =  245;
  cost[11,8,5] =  32;
  cost[11,9,5] =  246;
  cost[11,10,5] =  211;
  cost[11,11,5] =  0;
  cost[11,12,5] =  37;
  cost[11,13,5] =  285;
  cost[11,14,5] =  188;
  cost[11,15,5] =  68;
  cost[11,16,5] =  216;
  cost[11,17,5] =  171;
  cost[12,0,5] =  248;
  cost[12,1,5] =  18;
  cost[12,2,5] =  72;
  cost[12,3,5] =  227;
  cost[12,4,5] =  81;
  cost[12,5,5] =  7;
  cost[12,6,5] =  14;
  cost[12,7,5] =  251;
  cost[12,8,5] =  89;
  cost[12,9,5] =  31;
  cost[12,10,5] =  104;
  cost[12,11,5] =  37;
  cost[12,12,5] =  0;
  cost[12,13,5] =  305;
  cost[12,14,5] =  248;
  cost[12,15,5] =  39;
  cost[12,16,5] =  12;
  cost[12,17,5] =  166;
  cost[13,0,5] =  260;
  cost[13,1,5] =  288;
  cost[13,2,5] =  85;
  cost[13,3,5] =  107;
  cost[13,4,5] =  83;
  cost[13,5,5] =  1;
  cost[13,6,5] =  27;
  cost[13,7,5] =  2;
  cost[13,8,5] =  77;
  cost[13,9,5] =  317;
  cost[13,10,5] =  194;
  cost[13,11,5] =  285;
  cost[13,12,5] =  305;
  cost[13,13,5] =  0;
  cost[13,14,5] =  68;
  cost[13,15,5] =  146;
  cost[13,16,5] =  51;
  cost[13,17,5] =  99;
  cost[14,0,5] =  226;
  cost[14,1,5] =  306;
  cost[14,2,5] =  205;
  cost[14,3,5] =  69;
  cost[14,4,5] =  23;
  cost[14,5,5] =  157;
  cost[14,6,5] =  79;
  cost[14,7,5] =  187;
  cost[14,8,5] =  262;
  cost[14,9,5] =  273;
  cost[14,10,5] =  42;
  cost[14,11,5] =  188;
  cost[14,12,5] =  248;
  cost[14,13,5] =  68;
  cost[14,14,5] =  0;
  cost[14,15,5] =  1;
  cost[14,16,5] =  210;
  cost[14,17,5] =  40;
  cost[15,0,5] =  220;
  cost[15,1,5] =  18;
  cost[15,2,5] =  174;
  cost[15,3,5] =  245;
  cost[15,4,5] =  166;
  cost[15,5,5] =  94;
  cost[15,6,5] =  230;
  cost[15,7,5] =  238;
  cost[15,8,5] =  30;
  cost[15,9,5] =  110;
  cost[15,10,5] =  26;
  cost[15,11,5] =  68;
  cost[15,12,5] =  39;
  cost[15,13,5] =  146;
  cost[15,14,5] =  1;
  cost[15,15,5] =  0;
  cost[15,16,5] =  27;
  cost[15,17,5] =  252;
  cost[16,0,5] =  292;
  cost[16,1,5] =  299;
  cost[16,2,5] =  5;
  cost[16,3,5] =  83;
  cost[16,4,5] =  288;
  cost[16,5,5] =  229;
  cost[16,6,5] =  198;
  cost[16,7,5] =  240;
  cost[16,8,5] =  241;
  cost[16,9,5] =  224;
  cost[16,10,5] =  122;
  cost[16,11,5] =  216;
  cost[16,12,5] =  12;
  cost[16,13,5] =  51;
  cost[16,14,5] =  210;
  cost[16,15,5] =  27;
  cost[16,16,5] =  0;
  cost[16,17,5] =  221;
  cost[17,0,5] =  101;
  cost[17,1,5] =  151;
  cost[17,2,5] =  301;
  cost[17,3,5] =  221;
  cost[17,4,5] =  198;
  cost[17,5,5] =  265;
  cost[17,6,5] =  30;
  cost[17,7,5] =  298;
  cost[17,8,5] =  89;
  cost[17,9,5] =  147;
  cost[17,10,5] =  44;
  cost[17,11,5] =  171;
  cost[17,12,5] =  166;
  cost[17,13,5] =  99;
  cost[17,14,5] =  40;
  cost[17,15,5] =  252;
  cost[17,16,5] =  221;
  cost[17,17,5] =  0;
  cost[0,0,6] =  0;
  cost[0,1,6] =  20;
  cost[0,2,6] =  15;
  cost[0,3,6] =  170;
  cost[0,4,6] =  57;
  cost[0,5,6] =  300;
  cost[0,6,6] =  35;
  cost[0,7,6] =  125;
  cost[0,8,6] =  193;
  cost[0,9,6] =  206;
  cost[0,10,6] =  226;
  cost[0,11,6] =  174;
  cost[0,12,6] =  131;
  cost[0,13,6] =  266;
  cost[0,14,6] =  187;
  cost[0,15,6] =  298;
  cost[0,16,6] =  71;
  cost[0,17,6] =  255;
  cost[1,0,6] =  20;
  cost[1,1,6] =  0;
  cost[1,2,6] =  123;
  cost[1,3,6] =  31;
  cost[1,4,6] =  261;
  cost[1,5,6] =  125;
  cost[1,6,6] =  242;
  cost[1,7,6] =  302;
  cost[1,8,6] =  275;
  cost[1,9,6] =  269;
  cost[1,10,6] =  231;
  cost[1,11,6] =  205;
  cost[1,12,6] =  167;
  cost[1,13,6] =  202;
  cost[1,14,6] =  162;
  cost[1,15,6] =  187;
  cost[1,16,6] =  217;
  cost[1,17,6] =  9;
  cost[2,0,6] =  15;
  cost[2,1,6] =  123;
  cost[2,2,6] =  0;
  cost[2,3,6] =  194;
  cost[2,4,6] =  45;
  cost[2,5,6] =  46;
  cost[2,6,6] =  63;
  cost[2,7,6] =  251;
  cost[2,8,6] =  273;
  cost[2,9,6] =  238;
  cost[2,10,6] =  59;
  cost[2,11,6] =  216;
  cost[2,12,6] =  101;
  cost[2,13,6] =  34;
  cost[2,14,6] =  287;
  cost[2,15,6] =  33;
  cost[2,16,6] =  155;
  cost[2,17,6] =  87;
  cost[3,0,6] =  170;
  cost[3,1,6] =  31;
  cost[3,2,6] =  194;
  cost[3,3,6] =  0;
  cost[3,4,6] =  93;
  cost[3,5,6] =  213;
  cost[3,6,6] =  306;
  cost[3,7,6] =  71;
  cost[3,8,6] =  164;
  cost[3,9,6] =  252;
  cost[3,10,6] =  303;
  cost[3,11,6] =  46;
  cost[3,12,6] =  95;
  cost[3,13,6] =  181;
  cost[3,14,6] =  208;
  cost[3,15,6] =  282;
  cost[3,16,6] =  75;
  cost[3,17,6] =  218;
  cost[4,0,6] =  57;
  cost[4,1,6] =  261;
  cost[4,2,6] =  45;
  cost[4,3,6] =  93;
  cost[4,4,6] =  0;
  cost[4,5,6] =  269;
  cost[4,6,6] =  263;
  cost[4,7,6] =  250;
  cost[4,8,6] =  9;
  cost[4,9,6] =  191;
  cost[4,10,6] =  200;
  cost[4,11,6] =  247;
  cost[4,12,6] =  250;
  cost[4,13,6] =  92;
  cost[4,14,6] =  24;
  cost[4,15,6] =  285;
  cost[4,16,6] =  55;
  cost[4,17,6] =  57;
  cost[5,0,6] =  300;
  cost[5,1,6] =  125;
  cost[5,2,6] =  46;
  cost[5,3,6] =  213;
  cost[5,4,6] =  269;
  cost[5,5,6] =  0;
  cost[5,6,6] =  143;
  cost[5,7,6] =  122;
  cost[5,8,6] =  209;
  cost[5,9,6] =  32;
  cost[5,10,6] =  105;
  cost[5,11,6] =  281;
  cost[5,12,6] =  196;
  cost[5,13,6] =  33;
  cost[5,14,6] =  261;
  cost[5,15,6] =  242;
  cost[5,16,6] =  129;
  cost[5,17,6] =  118;
  cost[6,0,6] =  35;
  cost[6,1,6] =  242;
  cost[6,2,6] =  63;
  cost[6,3,6] =  306;
  cost[6,4,6] =  263;
  cost[6,5,6] =  143;
  cost[6,6,6] =  0;
  cost[6,7,6] =  88;
  cost[6,8,6] =  194;
  cost[6,9,6] =  22;
  cost[6,10,6] =  292;
  cost[6,11,6] =  140;
  cost[6,12,6] =  285;
  cost[6,13,6] =  218;
  cost[6,14,6] =  149;
  cost[6,15,6] =  152;
  cost[6,16,6] =  94;
  cost[6,17,6] =  72;
  cost[7,0,6] =  125;
  cost[7,1,6] =  302;
  cost[7,2,6] =  251;
  cost[7,3,6] =  71;
  cost[7,4,6] =  250;
  cost[7,5,6] =  122;
  cost[7,6,6] =  88;
  cost[7,7,6] =  0;
  cost[7,8,6] =  186;
  cost[7,9,6] =  97;
  cost[7,10,6] =  40;
  cost[7,11,6] =  242;
  cost[7,12,6] =  155;
  cost[7,13,6] =  157;
  cost[7,14,6] =  62;
  cost[7,15,6] =  278;
  cost[7,16,6] =  43;
  cost[7,17,6] =  94;
  cost[8,0,6] =  193;
  cost[8,1,6] =  275;
  cost[8,2,6] =  273;
  cost[8,3,6] =  164;
  cost[8,4,6] =  9;
  cost[8,5,6] =  209;
  cost[8,6,6] =  194;
  cost[8,7,6] =  186;
  cost[8,8,6] =  0;
  cost[8,9,6] =  0;
  cost[8,10,6] =  291;
  cost[8,11,6] =  93;
  cost[8,12,6] =  261;
  cost[8,13,6] =  210;
  cost[8,14,6] =  222;
  cost[8,15,6] =  56;
  cost[8,16,6] =  14;
  cost[8,17,6] =  310;
  cost[9,0,6] =  206;
  cost[9,1,6] =  269;
  cost[9,2,6] =  238;
  cost[9,3,6] =  252;
  cost[9,4,6] =  191;
  cost[9,5,6] =  32;
  cost[9,6,6] =  22;
  cost[9,7,6] =  97;
  cost[9,8,6] =  0;
  cost[9,9,6] =  0;
  cost[9,10,6] =  36;
  cost[9,11,6] =  279;
  cost[9,12,6] =  67;
  cost[9,13,6] =  322;
  cost[9,14,6] =  173;
  cost[9,15,6] =  216;
  cost[9,16,6] =  150;
  cost[9,17,6] =  268;
  cost[10,0,6] =  226;
  cost[10,1,6] =  231;
  cost[10,2,6] =  59;
  cost[10,3,6] =  303;
  cost[10,4,6] =  200;
  cost[10,5,6] =  105;
  cost[10,6,6] =  292;
  cost[10,7,6] =  40;
  cost[10,8,6] =  291;
  cost[10,9,6] =  36;
  cost[10,10,6] =  0;
  cost[10,11,6] =  230;
  cost[10,12,6] =  131;
  cost[10,13,6] =  62;
  cost[10,14,6] =  271;
  cost[10,15,6] =  50;
  cost[10,16,6] =  218;
  cost[10,17,6] =  104;
  cost[11,0,6] =  174;
  cost[11,1,6] =  205;
  cost[11,2,6] =  216;
  cost[11,3,6] =  46;
  cost[11,4,6] =  247;
  cost[11,5,6] =  281;
  cost[11,6,6] =  140;
  cost[11,7,6] =  242;
  cost[11,8,6] =  93;
  cost[11,9,6] =  279;
  cost[11,10,6] =  230;
  cost[11,11,6] =  0;
  cost[11,12,6] =  172;
  cost[11,13,6] =  148;
  cost[11,14,6] =  207;
  cost[11,15,6] =  232;
  cost[11,16,6] =  149;
  cost[11,17,6] =  175;
  cost[12,0,6] =  131;
  cost[12,1,6] =  167;
  cost[12,2,6] =  101;
  cost[12,3,6] =  95;
  cost[12,4,6] =  250;
  cost[12,5,6] =  196;
  cost[12,6,6] =  285;
  cost[12,7,6] =  155;
  cost[12,8,6] =  261;
  cost[12,9,6] =  67;
  cost[12,10,6] =  131;
  cost[12,11,6] =  172;
  cost[12,12,6] =  0;
  cost[12,13,6] =  87;
  cost[12,14,6] =  62;
  cost[12,15,6] =  224;
  cost[12,16,6] =  143;
  cost[12,17,6] =  76;
  cost[13,0,6] =  266;
  cost[13,1,6] =  202;
  cost[13,2,6] =  34;
  cost[13,3,6] =  181;
  cost[13,4,6] =  92;
  cost[13,5,6] =  33;
  cost[13,6,6] =  218;
  cost[13,7,6] =  157;
  cost[13,8,6] =  210;
  cost[13,9,6] =  322;
  cost[13,10,6] =  62;
  cost[13,11,6] =  148;
  cost[13,12,6] =  87;
  cost[13,13,6] =  0;
  cost[13,14,6] =  71;
  cost[13,15,6] =  113;
  cost[13,16,6] =  166;
  cost[13,17,6] =  138;
  cost[14,0,6] =  187;
  cost[14,1,6] =  162;
  cost[14,2,6] =  287;
  cost[14,3,6] =  208;
  cost[14,4,6] =  24;
  cost[14,5,6] =  261;
  cost[14,6,6] =  149;
  cost[14,7,6] =  62;
  cost[14,8,6] =  222;
  cost[14,9,6] =  173;
  cost[14,10,6] =  271;
  cost[14,11,6] =  207;
  cost[14,12,6] =  62;
  cost[14,13,6] =  71;
  cost[14,14,6] =  0;
  cost[14,15,6] =  16;
  cost[14,16,6] =  30;
  cost[14,17,6] =  262;
  cost[15,0,6] =  298;
  cost[15,1,6] =  187;
  cost[15,2,6] =  33;
  cost[15,3,6] =  282;
  cost[15,4,6] =  285;
  cost[15,5,6] =  242;
  cost[15,6,6] =  152;
  cost[15,7,6] =  278;
  cost[15,8,6] =  56;
  cost[15,9,6] =  216;
  cost[15,10,6] =  50;
  cost[15,11,6] =  232;
  cost[15,12,6] =  224;
  cost[15,13,6] =  113;
  cost[15,14,6] =  16;
  cost[15,15,6] =  0;
  cost[15,16,6] =  319;
  cost[15,17,6] =  168;
  cost[16,0,6] =  71;
  cost[16,1,6] =  217;
  cost[16,2,6] =  155;
  cost[16,3,6] =  75;
  cost[16,4,6] =  55;
  cost[16,5,6] =  129;
  cost[16,6,6] =  94;
  cost[16,7,6] =  43;
  cost[16,8,6] =  14;
  cost[16,9,6] =  150;
  cost[16,10,6] =  218;
  cost[16,11,6] =  149;
  cost[16,12,6] =  143;
  cost[16,13,6] =  166;
  cost[16,14,6] =  30;
  cost[16,15,6] =  319;
  cost[16,16,6] =  0;
  cost[16,17,6] =  58;
  cost[17,0,6] =  255;
  cost[17,1,6] =  9;
  cost[17,2,6] =  87;
  cost[17,3,6] =  218;
  cost[17,4,6] =  57;
  cost[17,5,6] =  118;
  cost[17,6,6] =  72;
  cost[17,7,6] =  94;
  cost[17,8,6] =  310;
  cost[17,9,6] =  268;
  cost[17,10,6] =  104;
  cost[17,11,6] =  175;
  cost[17,12,6] =  76;
  cost[17,13,6] =  138;
  cost[17,14,6] =  262;
  cost[17,15,6] =  168;
  cost[17,16,6] =  58;
  cost[17,17,6] =  0;
  cost[0,0,7] =  0;
  cost[0,1,7] =  276;
  cost[0,2,7] =  221;
  cost[0,3,7] =  254;
  cost[0,4,7] =  125;
  cost[0,5,7] =  45;
  cost[0,6,7] =  138;
  cost[0,7,7] =  33;
  cost[0,8,7] =  194;
  cost[0,9,7] =  313;
  cost[0,10,7] =  35;
  cost[0,11,7] =  281;
  cost[0,12,7] =  51;
  cost[0,13,7] =  260;
  cost[0,14,7] =  101;
  cost[0,15,7] =  128;
  cost[0,16,7] =  147;
  cost[0,17,7] =  172;
  cost[1,0,7] =  276;
  cost[1,1,7] =  0;
  cost[1,2,7] =  314;
  cost[1,3,7] =  310;
  cost[1,4,7] =  28;
  cost[1,5,7] =  6;
  cost[1,6,7] =  17;
  cost[1,7,7] =  290;
  cost[1,8,7] =  291;
  cost[1,9,7] =  12;
  cost[1,10,7] =  135;
  cost[1,11,7] =  59;
  cost[1,12,7] =  71;
  cost[1,13,7] =  252;
  cost[1,14,7] =  201;
  cost[1,15,7] =  23;
  cost[1,16,7] =  149;
  cost[1,17,7] =  132;
  cost[2,0,7] =  221;
  cost[2,1,7] =  314;
  cost[2,2,7] =  0;
  cost[2,3,7] =  194;
  cost[2,4,7] =  270;
  cost[2,5,7] =  182;
  cost[2,6,7] =  65;
  cost[2,7,7] =  260;
  cost[2,8,7] =  217;
  cost[2,9,7] =  23;
  cost[2,10,7] =  311;
  cost[2,11,7] =  153;
  cost[2,12,7] =  124;
  cost[2,13,7] =  116;
  cost[2,14,7] =  301;
  cost[2,15,7] =  297;
  cost[2,16,7] =  33;
  cost[2,17,7] =  291;
  cost[3,0,7] =  254;
  cost[3,1,7] =  310;
  cost[3,2,7] =  194;
  cost[3,3,7] =  0;
  cost[3,4,7] =  62;
  cost[3,5,7] =  298;
  cost[3,6,7] =  300;
  cost[3,7,7] =  29;
  cost[3,8,7] =  265;
  cost[3,9,7] =  313;
  cost[3,10,7] =  164;
  cost[3,11,7] =  1;
  cost[3,12,7] =  60;
  cost[3,13,7] =  93;
  cost[3,14,7] =  203;
  cost[3,15,7] =  84;
  cost[3,16,7] =  242;
  cost[3,17,7] =  11;
  cost[4,0,7] =  125;
  cost[4,1,7] =  28;
  cost[4,2,7] =  270;
  cost[4,3,7] =  62;
  cost[4,4,7] =  0;
  cost[4,5,7] =  113;
  cost[4,6,7] =  282;
  cost[4,7,7] =  92;
  cost[4,8,7] =  179;
  cost[4,9,7] =  218;
  cost[4,10,7] =  310;
  cost[4,11,7] =  202;
  cost[4,12,7] =  206;
  cost[4,13,7] =  140;
  cost[4,14,7] =  2;
  cost[4,15,7] =  322;
  cost[4,16,7] =  117;
  cost[4,17,7] =  299;
  cost[5,0,7] =  45;
  cost[5,1,7] =  6;
  cost[5,2,7] =  182;
  cost[5,3,7] =  298;
  cost[5,4,7] =  113;
  cost[5,5,7] =  0;
  cost[5,6,7] =  85;
  cost[5,7,7] =  259;
  cost[5,8,7] =  94;
  cost[5,9,7] =  60;
  cost[5,10,7] =  236;
  cost[5,11,7] =  123;
  cost[5,12,7] =  2;
  cost[5,13,7] =  226;
  cost[5,14,7] =  288;
  cost[5,15,7] =  3;
  cost[5,16,7] =  287;
  cost[5,17,7] =  57;
  cost[6,0,7] =  138;
  cost[6,1,7] =  17;
  cost[6,2,7] =  65;
  cost[6,3,7] =  300;
  cost[6,4,7] =  282;
  cost[6,5,7] =  85;
  cost[6,6,7] =  0;
  cost[6,7,7] =  48;
  cost[6,8,7] =  299;
  cost[6,9,7] =  218;
  cost[6,10,7] =  281;
  cost[6,11,7] =  89;
  cost[6,12,7] =  177;
  cost[6,13,7] =  50;
  cost[6,14,7] =  268;
  cost[6,15,7] =  72;
  cost[6,16,7] =  36;
  cost[6,17,7] =  146;
  cost[7,0,7] =  33;
  cost[7,1,7] =  290;
  cost[7,2,7] =  260;
  cost[7,3,7] =  29;
  cost[7,4,7] =  92;
  cost[7,5,7] =  259;
  cost[7,6,7] =  48;
  cost[7,7,7] =  0;
  cost[7,8,7] =  176;
  cost[7,9,7] =  149;
  cost[7,10,7] =  277;
  cost[7,11,7] =  294;
  cost[7,12,7] =  125;
  cost[7,13,7] =  309;
  cost[7,14,7] =  56;
  cost[7,15,7] =  60;
  cost[7,16,7] =  80;
  cost[7,17,7] =  116;
  cost[8,0,7] =  194;
  cost[8,1,7] =  291;
  cost[8,2,7] =  217;
  cost[8,3,7] =  265;
  cost[8,4,7] =  179;
  cost[8,5,7] =  94;
  cost[8,6,7] =  299;
  cost[8,7,7] =  176;
  cost[8,8,7] =  0;
  cost[8,9,7] =  203;
  cost[8,10,7] =  118;
  cost[8,11,7] =  199;
  cost[8,12,7] =  167;
  cost[8,13,7] =  122;
  cost[8,14,7] =  162;
  cost[8,15,7] =  224;
  cost[8,16,7] =  5;
  cost[8,17,7] =  210;
  cost[9,0,7] =  313;
  cost[9,1,7] =  12;
  cost[9,2,7] =  23;
  cost[9,3,7] =  313;
  cost[9,4,7] =  218;
  cost[9,5,7] =  60;
  cost[9,6,7] =  218;
  cost[9,7,7] =  149;
  cost[9,8,7] =  203;
  cost[9,9,7] =  0;
  cost[9,10,7] =  224;
  cost[9,11,7] =  168;
  cost[9,12,7] =  290;
  cost[9,13,7] =  78;
  cost[9,14,7] =  218;
  cost[9,15,7] =  234;
  cost[9,16,7] =  150;
  cost[9,17,7] =  255;
  cost[10,0,7] =  35;
  cost[10,1,7] =  135;
  cost[10,2,7] =  311;
  cost[10,3,7] =  164;
  cost[10,4,7] =  310;
  cost[10,5,7] =  236;
  cost[10,6,7] =  281;
  cost[10,7,7] =  277;
  cost[10,8,7] =  118;
  cost[10,9,7] =  224;
  cost[10,10,7] =  0;
  cost[10,11,7] =  105;
  cost[10,12,7] =  108;
  cost[10,13,7] =  206;
  cost[10,14,7] =  58;
  cost[10,15,7] =  78;
  cost[10,16,7] =  7;
  cost[10,17,7] =  44;
  cost[11,0,7] =  281;
  cost[11,1,7] =  59;
  cost[11,2,7] =  153;
  cost[11,3,7] =  1;
  cost[11,4,7] =  202;
  cost[11,5,7] =  123;
  cost[11,6,7] =  89;
  cost[11,7,7] =  294;
  cost[11,8,7] =  199;
  cost[11,9,7] =  168;
  cost[11,10,7] =  105;
  cost[11,11,7] =  0;
  cost[11,12,7] =  68;
  cost[11,13,7] =  124;
  cost[11,14,7] =  252;
  cost[11,15,7] =  42;
  cost[11,16,7] =  4;
  cost[11,17,7] =  46;
  cost[12,0,7] =  51;
  cost[12,1,7] =  71;
  cost[12,2,7] =  124;
  cost[12,3,7] =  60;
  cost[12,4,7] =  206;
  cost[12,5,7] =  2;
  cost[12,6,7] =  177;
  cost[12,7,7] =  125;
  cost[12,8,7] =  167;
  cost[12,9,7] =  290;
  cost[12,10,7] =  108;
  cost[12,11,7] =  68;
  cost[12,12,7] =  0;
  cost[12,13,7] =  171;
  cost[12,14,7] =  169;
  cost[12,15,7] =  80;
  cost[12,16,7] =  72;
  cost[12,17,7] =  175;
  cost[13,0,7] =  260;
  cost[13,1,7] =  252;
  cost[13,2,7] =  116;
  cost[13,3,7] =  93;
  cost[13,4,7] =  140;
  cost[13,5,7] =  226;
  cost[13,6,7] =  50;
  cost[13,7,7] =  309;
  cost[13,8,7] =  122;
  cost[13,9,7] =  78;
  cost[13,10,7] =  206;
  cost[13,11,7] =  124;
  cost[13,12,7] =  171;
  cost[13,13,7] =  0;
  cost[13,14,7] =  273;
  cost[13,15,7] =  76;
  cost[13,16,7] =  135;
  cost[13,17,7] =  239;
  cost[14,0,7] =  101;
  cost[14,1,7] =  201;
  cost[14,2,7] =  301;
  cost[14,3,7] =  203;
  cost[14,4,7] =  2;
  cost[14,5,7] =  288;
  cost[14,6,7] =  268;
  cost[14,7,7] =  56;
  cost[14,8,7] =  162;
  cost[14,9,7] =  218;
  cost[14,10,7] =  58;
  cost[14,11,7] =  252;
  cost[14,12,7] =  169;
  cost[14,13,7] =  273;
  cost[14,14,7] =  0;
  cost[14,15,7] =  29;
  cost[14,16,7] =  150;
  cost[14,17,7] =  304;
  cost[15,0,7] =  128;
  cost[15,1,7] =  23;
  cost[15,2,7] =  297;
  cost[15,3,7] =  84;
  cost[15,4,7] =  322;
  cost[15,5,7] =  3;
  cost[15,6,7] =  72;
  cost[15,7,7] =  60;
  cost[15,8,7] =  224;
  cost[15,9,7] =  234;
  cost[15,10,7] =  78;
  cost[15,11,7] =  42;
  cost[15,12,7] =  80;
  cost[15,13,7] =  76;
  cost[15,14,7] =  29;
  cost[15,15,7] =  0;
  cost[15,16,7] =  207;
  cost[15,17,7] =  86;
  cost[16,0,7] =  147;
  cost[16,1,7] =  149;
  cost[16,2,7] =  33;
  cost[16,3,7] =  242;
  cost[16,4,7] =  117;
  cost[16,5,7] =  287;
  cost[16,6,7] =  36;
  cost[16,7,7] =  80;
  cost[16,8,7] =  5;
  cost[16,9,7] =  150;
  cost[16,10,7] =  7;
  cost[16,11,7] =  4;
  cost[16,12,7] =  72;
  cost[16,13,7] =  135;
  cost[16,14,7] =  150;
  cost[16,15,7] =  207;
  cost[16,16,7] =  0;
  cost[16,17,7] =  90;
  cost[17,0,7] =  172;
  cost[17,1,7] =  132;
  cost[17,2,7] =  291;
  cost[17,3,7] =  11;
  cost[17,4,7] =  299;
  cost[17,5,7] =  57;
  cost[17,6,7] =  146;
  cost[17,7,7] =  116;
  cost[17,8,7] =  210;
  cost[17,9,7] =  255;
  cost[17,10,7] =  44;
  cost[17,11,7] =  46;
  cost[17,12,7] =  175;
  cost[17,13,7] =  239;
  cost[17,14,7] =  304;
  cost[17,15,7] =  86;
  cost[17,16,7] =  90;
  cost[17,17,7] =  0;
  cost[0,0,8] =  0;
  cost[0,1,8] =  98;
  cost[0,2,8] =  190;
  cost[0,3,8] =  283;
  cost[0,4,8] =  166;
  cost[0,5,8] =  314;
  cost[0,6,8] =  211;
  cost[0,7,8] =  208;
  cost[0,8,8] =  319;
  cost[0,9,8] =  258;
  cost[0,10,8] =  126;
  cost[0,11,8] =  167;
  cost[0,12,8] =  104;
  cost[0,13,8] =  206;
  cost[0,14,8] =  239;
  cost[0,15,8] =  279;
  cost[0,16,8] =  172;
  cost[0,17,8] =  189;
  cost[1,0,8] =  98;
  cost[1,1,8] =  0;
  cost[1,2,8] =  308;
  cost[1,3,8] =  104;
  cost[1,4,8] =  186;
  cost[1,5,8] =  14;
  cost[1,6,8] =  255;
  cost[1,7,8] =  167;
  cost[1,8,8] =  299;
  cost[1,9,8] =  138;
  cost[1,10,8] =  254;
  cost[1,11,8] =  44;
  cost[1,12,8] =  228;
  cost[1,13,8] =  75;
  cost[1,14,8] =  193;
  cost[1,15,8] =  2;
  cost[1,16,8] =  265;
  cost[1,17,8] =  153;
  cost[2,0,8] =  190;
  cost[2,1,8] =  308;
  cost[2,2,8] =  0;
  cost[2,3,8] =  256;
  cost[2,4,8] =  41;
  cost[2,5,8] =  54;
  cost[2,6,8] =  251;
  cost[2,7,8] =  299;
  cost[2,8,8] =  180;
  cost[2,9,8] =  94;
  cost[2,10,8] =  80;
  cost[2,11,8] =  62;
  cost[2,12,8] =  10;
  cost[2,13,8] =  36;
  cost[2,14,8] =  235;
  cost[2,15,8] =  199;
  cost[2,16,8] =  68;
  cost[2,17,8] =  219;
  cost[3,0,8] =  283;
  cost[3,1,8] =  104;
  cost[3,2,8] =  256;
  cost[3,3,8] =  0;
  cost[3,4,8] =  255;
  cost[3,5,8] =  233;
  cost[3,6,8] =  235;
  cost[3,7,8] =  99;
  cost[3,8,8] =  209;
  cost[3,9,8] =  49;
  cost[3,10,8] =  29;
  cost[3,11,8] =  254;
  cost[3,12,8] =  278;
  cost[3,13,8] =  104;
  cost[3,14,8] =  123;
  cost[3,15,8] =  281;
  cost[3,16,8] =  45;
  cost[3,17,8] =  276;
  cost[4,0,8] =  166;
  cost[4,1,8] =  186;
  cost[4,2,8] =  41;
  cost[4,3,8] =  255;
  cost[4,4,8] =  0;
  cost[4,5,8] =  302;
  cost[4,6,8] =  317;
  cost[4,7,8] =  180;
  cost[4,8,8] =  229;
  cost[4,9,8] =  293;
  cost[4,10,8] =  37;
  cost[4,11,8] =  0;
  cost[4,12,8] =  50;
  cost[4,13,8] =  99;
  cost[4,14,8] =  10;
  cost[4,15,8] =  86;
  cost[4,16,8] =  11;
  cost[4,17,8] =  209;
  cost[5,0,8] =  314;
  cost[5,1,8] =  14;
  cost[5,2,8] =  54;
  cost[5,3,8] =  233;
  cost[5,4,8] =  302;
  cost[5,5,8] =  0;
  cost[5,6,8] =  231;
  cost[5,7,8] =  190;
  cost[5,8,8] =  86;
  cost[5,9,8] =  140;
  cost[5,10,8] =  101;
  cost[5,11,8] =  185;
  cost[5,12,8] =  26;
  cost[5,13,8] =  151;
  cost[5,14,8] =  214;
  cost[5,15,8] =  280;
  cost[5,16,8] =  106;
  cost[5,17,8] =  319;
  cost[6,0,8] =  211;
  cost[6,1,8] =  255;
  cost[6,2,8] =  251;
  cost[6,3,8] =  235;
  cost[6,4,8] =  317;
  cost[6,5,8] =  231;
  cost[6,6,8] =  0;
  cost[6,7,8] =  63;
  cost[6,8,8] =  41;
  cost[6,9,8] =  32;
  cost[6,10,8] =  189;
  cost[6,11,8] =  19;
  cost[6,12,8] =  26;
  cost[6,13,8] =  46;
  cost[6,14,8] =  249;
  cost[6,15,8] =  320;
  cost[6,16,8] =  83;
  cost[6,17,8] =  249;
  cost[7,0,8] =  208;
  cost[7,1,8] =  167;
  cost[7,2,8] =  299;
  cost[7,3,8] =  99;
  cost[7,4,8] =  180;
  cost[7,5,8] =  190;
  cost[7,6,8] =  63;
  cost[7,7,8] =  0;
  cost[7,8,8] =  182;
  cost[7,9,8] =  259;
  cost[7,10,8] =  133;
  cost[7,11,8] =  194;
  cost[7,12,8] =  145;
  cost[7,13,8] =  288;
  cost[7,14,8] =  101;
  cost[7,15,8] =  11;
  cost[7,16,8] =  51;
  cost[7,17,8] =  242;
  cost[8,0,8] =  319;
  cost[8,1,8] =  299;
  cost[8,2,8] =  180;
  cost[8,3,8] =  209;
  cost[8,4,8] =  229;
  cost[8,5,8] =  86;
  cost[8,6,8] =  41;
  cost[8,7,8] =  182;
  cost[8,8,8] =  0;
  cost[8,9,8] =  236;
  cost[8,10,8] =  268;
  cost[8,11,8] =  264;
  cost[8,12,8] =  127;
  cost[8,13,8] =  224;
  cost[8,14,8] =  47;
  cost[8,15,8] =  123;
  cost[8,16,8] =  304;
  cost[8,17,8] =  110;
  cost[9,0,8] =  258;
  cost[9,1,8] =  138;
  cost[9,2,8] =  94;
  cost[9,3,8] =  49;
  cost[9,4,8] =  293;
  cost[9,5,8] =  140;
  cost[9,6,8] =  32;
  cost[9,7,8] =  259;
  cost[9,8,8] =  236;
  cost[9,9,8] =  0;
  cost[9,10,8] =  12;
  cost[9,11,8] =  299;
  cost[9,12,8] =  184;
  cost[9,13,8] =  39;
  cost[9,14,8] =  21;
  cost[9,15,8] =  109;
  cost[9,16,8] =  36;
  cost[9,17,8] =  105;
  cost[10,0,8] =  126;
  cost[10,1,8] =  254;
  cost[10,2,8] =  80;
  cost[10,3,8] =  29;
  cost[10,4,8] =  37;
  cost[10,5,8] =  101;
  cost[10,6,8] =  189;
  cost[10,7,8] =  133;
  cost[10,8,8] =  268;
  cost[10,9,8] =  12;
  cost[10,10,8] =  0;
  cost[10,11,8] =  83;
  cost[10,12,8] =  287;
  cost[10,13,8] =  293;
  cost[10,14,8] =  216;
  cost[10,15,8] =  157;
  cost[10,16,8] =  115;
  cost[10,17,8] =  181;
  cost[11,0,8] =  167;
  cost[11,1,8] =  44;
  cost[11,2,8] =  62;
  cost[11,3,8] =  254;
  cost[11,4,8] =  0;
  cost[11,5,8] =  185;
  cost[11,6,8] =  19;
  cost[11,7,8] =  194;
  cost[11,8,8] =  264;
  cost[11,9,8] =  299;
  cost[11,10,8] =  83;
  cost[11,11,8] =  0;
  cost[11,12,8] =  126;
  cost[11,13,8] =  232;
  cost[11,14,8] =  177;
  cost[11,15,8] =  239;
  cost[11,16,8] =  144;
  cost[11,17,8] =  121;
  cost[12,0,8] =  104;
  cost[12,1,8] =  228;
  cost[12,2,8] =  10;
  cost[12,3,8] =  278;
  cost[12,4,8] =  50;
  cost[12,5,8] =  26;
  cost[12,6,8] =  26;
  cost[12,7,8] =  145;
  cost[12,8,8] =  127;
  cost[12,9,8] =  184;
  cost[12,10,8] =  287;
  cost[12,11,8] =  126;
  cost[12,12,8] =  0;
  cost[12,13,8] =  272;
  cost[12,14,8] =  21;
  cost[12,15,8] =  227;
  cost[12,16,8] =  71;
  cost[12,17,8] =  2;
  cost[13,0,8] =  206;
  cost[13,1,8] =  75;
  cost[13,2,8] =  36;
  cost[13,3,8] =  104;
  cost[13,4,8] =  99;
  cost[13,5,8] =  151;
  cost[13,6,8] =  46;
  cost[13,7,8] =  288;
  cost[13,8,8] =  224;
  cost[13,9,8] =  39;
  cost[13,10,8] =  293;
  cost[13,11,8] =  232;
  cost[13,12,8] =  272;
  cost[13,13,8] =  0;
  cost[13,14,8] =  235;
  cost[13,15,8] =  15;
  cost[13,16,8] =  314;
  cost[13,17,8] =  96;
  cost[14,0,8] =  239;
  cost[14,1,8] =  193;
  cost[14,2,8] =  235;
  cost[14,3,8] =  123;
  cost[14,4,8] =  10;
  cost[14,5,8] =  214;
  cost[14,6,8] =  249;
  cost[14,7,8] =  101;
  cost[14,8,8] =  47;
  cost[14,9,8] =  21;
  cost[14,10,8] =  216;
  cost[14,11,8] =  177;
  cost[14,12,8] =  21;
  cost[14,13,8] =  235;
  cost[14,14,8] =  0;
  cost[14,15,8] =  11;
  cost[14,16,8] =  205;
  cost[14,17,8] =  91;
  cost[15,0,8] =  279;
  cost[15,1,8] =  2;
  cost[15,2,8] =  199;
  cost[15,3,8] =  281;
  cost[15,4,8] =  86;
  cost[15,5,8] =  280;
  cost[15,6,8] =  320;
  cost[15,7,8] =  11;
  cost[15,8,8] =  123;
  cost[15,9,8] =  109;
  cost[15,10,8] =  157;
  cost[15,11,8] =  239;
  cost[15,12,8] =  227;
  cost[15,13,8] =  15;
  cost[15,14,8] =  11;
  cost[15,15,8] =  0;
  cost[15,16,8] =  239;
  cost[15,17,8] =  174;
  cost[16,0,8] =  172;
  cost[16,1,8] =  265;
  cost[16,2,8] =  68;
  cost[16,3,8] =  45;
  cost[16,4,8] =  11;
  cost[16,5,8] =  106;
  cost[16,6,8] =  83;
  cost[16,7,8] =  51;
  cost[16,8,8] =  304;
  cost[16,9,8] =  36;
  cost[16,10,8] =  115;
  cost[16,11,8] =  144;
  cost[16,12,8] =  71;
  cost[16,13,8] =  314;
  cost[16,14,8] =  205;
  cost[16,15,8] =  239;
  cost[16,16,8] =  0;
  cost[16,17,8] =  209;
  cost[17,0,8] =  189;
  cost[17,1,8] =  153;
  cost[17,2,8] =  219;
  cost[17,3,8] =  276;
  cost[17,4,8] =  209;
  cost[17,5,8] =  319;
  cost[17,6,8] =  249;
  cost[17,7,8] =  242;
  cost[17,8,8] =  110;
  cost[17,9,8] =  105;
  cost[17,10,8] =  181;
  cost[17,11,8] =  121;
  cost[17,12,8] =  2;
  cost[17,13,8] =  96;
  cost[17,14,8] =  91;
  cost[17,15,8] =  174;
  cost[17,16,8] =  209;
  cost[17,17,8] =  0;
  cost[0,0,9] =  0;
  cost[0,1,9] =  0;
  cost[0,2,9] =  247;
  cost[0,3,9] =  173;
  cost[0,4,9] =  127;
  cost[0,5,9] =  155;
  cost[0,6,9] =  27;
  cost[0,7,9] =  43;
  cost[0,8,9] =  300;
  cost[0,9,9] =  148;
  cost[0,10,9] =  224;
  cost[0,11,9] =  249;
  cost[0,12,9] =  170;
  cost[0,13,9] =  128;
  cost[0,14,9] =  320;
  cost[0,15,9] =  172;
  cost[0,16,9] =  142;
  cost[0,17,9] =  232;
  cost[1,0,9] =  0;
  cost[1,1,9] =  0;
  cost[1,2,9] =  132;
  cost[1,3,9] =  4;
  cost[1,4,9] =  242;
  cost[1,5,9] =  144;
  cost[1,6,9] =  209;
  cost[1,7,9] =  9;
  cost[1,8,9] =  261;
  cost[1,9,9] =  125;
  cost[1,10,9] =  184;
  cost[1,11,9] =  17;
  cost[1,12,9] =  11;
  cost[1,13,9] =  250;
  cost[1,14,9] =  256;
  cost[1,15,9] =  11;
  cost[1,16,9] =  174;
  cost[1,17,9] =  106;
  cost[2,0,9] =  247;
  cost[2,1,9] =  132;
  cost[2,2,9] =  0;
  cost[2,3,9] =  6;
  cost[2,4,9] =  134;
  cost[2,5,9] =  182;
  cost[2,6,9] =  307;
  cost[2,7,9] =  282;
  cost[2,8,9] =  82;
  cost[2,9,9] =  232;
  cost[2,10,9] =  129;
  cost[2,11,9] =  210;
  cost[2,12,9] =  229;
  cost[2,13,9] =  302;
  cost[2,14,9] =  28;
  cost[2,15,9] =  137;
  cost[2,16,9] =  166;
  cost[2,17,9] =  161;
  cost[3,0,9] =  173;
  cost[3,1,9] =  4;
  cost[3,2,9] =  6;
  cost[3,3,9] =  0;
  cost[3,4,9] =  84;
  cost[3,5,9] =  305;
  cost[3,6,9] =  28;
  cost[3,7,9] =  94;
  cost[3,8,9] =  242;
  cost[3,9,9] =  153;
  cost[3,10,9] =  278;
  cost[3,11,9] =  260;
  cost[3,12,9] =  164;
  cost[3,13,9] =  205;
  cost[3,14,9] =  193;
  cost[3,15,9] =  176;
  cost[3,16,9] =  56;
  cost[3,17,9] =  300;
  cost[4,0,9] =  127;
  cost[4,1,9] =  242;
  cost[4,2,9] =  134;
  cost[4,3,9] =  84;
  cost[4,4,9] =  0;
  cost[4,5,9] =  63;
  cost[4,6,9] =  110;
  cost[4,7,9] =  174;
  cost[4,8,9] =  46;
  cost[4,9,9] =  69;
  cost[4,10,9] =  256;
  cost[4,11,9] =  279;
  cost[4,12,9] =  198;
  cost[4,13,9] =  143;
  cost[4,14,9] =  184;
  cost[4,15,9] =  176;
  cost[4,16,9] =  172;
  cost[4,17,9] =  321;
  cost[5,0,9] =  155;
  cost[5,1,9] =  144;
  cost[5,2,9] =  182;
  cost[5,3,9] =  305;
  cost[5,4,9] =  63;
  cost[5,5,9] =  0;
  cost[5,6,9] =  9;
  cost[5,7,9] =  140;
  cost[5,8,9] =  104;
  cost[5,9,9] =  315;
  cost[5,10,9] =  168;
  cost[5,11,9] =  198;
  cost[5,12,9] =  234;
  cost[5,13,9] =  321;
  cost[5,14,9] =  153;
  cost[5,15,9] =  170;
  cost[5,16,9] =  162;
  cost[5,17,9] =  35;
  cost[6,0,9] =  27;
  cost[6,1,9] =  209;
  cost[6,2,9] =  307;
  cost[6,3,9] =  28;
  cost[6,4,9] =  110;
  cost[6,5,9] =  9;
  cost[6,6,9] =  0;
  cost[6,7,9] =  15;
  cost[6,8,9] =  91;
  cost[6,9,9] =  16;
  cost[6,10,9] =  6;
  cost[6,11,9] =  155;
  cost[6,12,9] =  126;
  cost[6,13,9] =  180;
  cost[6,14,9] =  202;
  cost[6,15,9] =  195;
  cost[6,16,9] =  113;
  cost[6,17,9] =  157;
  cost[7,0,9] =  43;
  cost[7,1,9] =  9;
  cost[7,2,9] =  282;
  cost[7,3,9] =  94;
  cost[7,4,9] =  174;
  cost[7,5,9] =  140;
  cost[7,6,9] =  15;
  cost[7,7,9] =  0;
  cost[7,8,9] =  257;
  cost[7,9,9] =  17;
  cost[7,10,9] =  247;
  cost[7,11,9] =  105;
  cost[7,12,9] =  15;
  cost[7,13,9] =  266;
  cost[7,14,9] =  115;
  cost[7,15,9] =  155;
  cost[7,16,9] =  46;
  cost[7,17,9] =  106;
  cost[8,0,9] =  300;
  cost[8,1,9] =  261;
  cost[8,2,9] =  82;
  cost[8,3,9] =  242;
  cost[8,4,9] =  46;
  cost[8,5,9] =  104;
  cost[8,6,9] =  91;
  cost[8,7,9] =  257;
  cost[8,8,9] =  0;
  cost[8,9,9] =  244;
  cost[8,10,9] =  16;
  cost[8,11,9] =  321;
  cost[8,12,9] =  74;
  cost[8,13,9] =  187;
  cost[8,14,9] =  160;
  cost[8,15,9] =  109;
  cost[8,16,9] =  227;
  cost[8,17,9] =  175;
  cost[9,0,9] =  148;
  cost[9,1,9] =  125;
  cost[9,2,9] =  232;
  cost[9,3,9] =  153;
  cost[9,4,9] =  69;
  cost[9,5,9] =  315;
  cost[9,6,9] =  16;
  cost[9,7,9] =  17;
  cost[9,8,9] =  244;
  cost[9,9,9] =  0;
  cost[9,10,9] =  243;
  cost[9,11,9] =  181;
  cost[9,12,9] =  33;
  cost[9,13,9] =  46;
  cost[9,14,9] =  38;
  cost[9,15,9] =  235;
  cost[9,16,9] =  241;
  cost[9,17,9] =  152;
  cost[10,0,9] =  224;
  cost[10,1,9] =  184;
  cost[10,2,9] =  129;
  cost[10,3,9] =  278;
  cost[10,4,9] =  256;
  cost[10,5,9] =  168;
  cost[10,6,9] =  6;
  cost[10,7,9] =  247;
  cost[10,8,9] =  16;
  cost[10,9,9] =  243;
  cost[10,10,9] =  0;
  cost[10,11,9] =  312;
  cost[10,12,9] =  85;
  cost[10,13,9] =  86;
  cost[10,14,9] =  235;
  cost[10,15,9] =  191;
  cost[10,16,9] =  101;
  cost[10,17,9] =  177;
  cost[11,0,9] =  249;
  cost[11,1,9] =  17;
  cost[11,2,9] =  210;
  cost[11,3,9] =  260;
  cost[11,4,9] =  279;
  cost[11,5,9] =  198;
  cost[11,6,9] =  155;
  cost[11,7,9] =  105;
  cost[11,8,9] =  321;
  cost[11,9,9] =  181;
  cost[11,10,9] =  312;
  cost[11,11,9] =  0;
  cost[11,12,9] =  257;
  cost[11,13,9] =  223;
  cost[11,14,9] =  89;
  cost[11,15,9] =  256;
  cost[11,16,9] =  144;
  cost[11,17,9] =  106;
  cost[12,0,9] =  170;
  cost[12,1,9] =  11;
  cost[12,2,9] =  229;
  cost[12,3,9] =  164;
  cost[12,4,9] =  198;
  cost[12,5,9] =  234;
  cost[12,6,9] =  126;
  cost[12,7,9] =  15;
  cost[12,8,9] =  74;
  cost[12,9,9] =  33;
  cost[12,10,9] =  85;
  cost[12,11,9] =  257;
  cost[12,12,9] =  0;
  cost[12,13,9] =  219;
  cost[12,14,9] =  293;
  cost[12,15,9] =  90;
  cost[12,16,9] =  5;
  cost[12,17,9] =  197;
  cost[13,0,9] =  128;
  cost[13,1,9] =  250;
  cost[13,2,9] =  302;
  cost[13,3,9] =  205;
  cost[13,4,9] =  143;
  cost[13,5,9] =  321;
  cost[13,6,9] =  180;
  cost[13,7,9] =  266;
  cost[13,8,9] =  187;
  cost[13,9,9] =  46;
  cost[13,10,9] =  86;
  cost[13,11,9] =  223;
  cost[13,12,9] =  219;
  cost[13,13,9] =  0;
  cost[13,14,9] =  206;
  cost[13,15,9] =  117;
  cost[13,16,9] =  123;
  cost[13,17,9] =  240;
  cost[14,0,9] =  320;
  cost[14,1,9] =  256;
  cost[14,2,9] =  28;
  cost[14,3,9] =  193;
  cost[14,4,9] =  184;
  cost[14,5,9] =  153;
  cost[14,6,9] =  202;
  cost[14,7,9] =  115;
  cost[14,8,9] =  160;
  cost[14,9,9] =  38;
  cost[14,10,9] =  235;
  cost[14,11,9] =  89;
  cost[14,12,9] =  293;
  cost[14,13,9] =  206;
  cost[14,14,9] =  0;
  cost[14,15,9] =  162;
  cost[14,16,9] =  151;
  cost[14,17,9] =  81;
  cost[15,0,9] =  172;
  cost[15,1,9] =  11;
  cost[15,2,9] =  137;
  cost[15,3,9] =  176;
  cost[15,4,9] =  176;
  cost[15,5,9] =  170;
  cost[15,6,9] =  195;
  cost[15,7,9] =  155;
  cost[15,8,9] =  109;
  cost[15,9,9] =  235;
  cost[15,10,9] =  191;
  cost[15,11,9] =  256;
  cost[15,12,9] =  90;
  cost[15,13,9] =  117;
  cost[15,14,9] =  162;
  cost[15,15,9] =  0;
  cost[15,16,9] =  219;
  cost[15,17,9] =  69;
  cost[16,0,9] =  142;
  cost[16,1,9] =  174;
  cost[16,2,9] =  166;
  cost[16,3,9] =  56;
  cost[16,4,9] =  172;
  cost[16,5,9] =  162;
  cost[16,6,9] =  113;
  cost[16,7,9] =  46;
  cost[16,8,9] =  227;
  cost[16,9,9] =  241;
  cost[16,10,9] =  101;
  cost[16,11,9] =  144;
  cost[16,12,9] =  5;
  cost[16,13,9] =  123;
  cost[16,14,9] =  151;
  cost[16,15,9] =  219;
  cost[16,16,9] =  0;
  cost[16,17,9] =  306;
  cost[17,0,9] =  232;
  cost[17,1,9] =  106;
  cost[17,2,9] =  161;
  cost[17,3,9] =  300;
  cost[17,4,9] =  321;
  cost[17,5,9] =  35;
  cost[17,6,9] =  157;
  cost[17,7,9] =  106;
  cost[17,8,9] =  175;
  cost[17,9,9] =  152;
  cost[17,10,9] =  177;
  cost[17,11,9] =  106;
  cost[17,12,9] =  197;
  cost[17,13,9] =  240;
  cost[17,14,9] =  81;
  cost[17,15,9] =  69;
  cost[17,16,9] =  306;
  cost[17,17,9] =  0;
  cost[0,0,10] =  0;
  cost[0,1,10] =  83;
  cost[0,2,10] =  158;
  cost[0,3,10] =  250;
  cost[0,4,10] =  16;
  cost[0,5,10] =  57;
  cost[0,6,10] =  15;
  cost[0,7,10] =  273;
  cost[0,8,10] =  202;
  cost[0,9,10] =  122;
  cost[0,10,10] =  204;
  cost[0,11,10] =  97;
  cost[0,12,10] =  91;
  cost[0,13,10] =  294;
  cost[0,14,10] =  103;
  cost[0,15,10] =  289;
  cost[0,16,10] =  236;
  cost[0,17,10] =  309;
  cost[1,0,10] =  83;
  cost[1,1,10] =  0;
  cost[1,2,10] =  35;
  cost[1,3,10] =  226;
  cost[1,4,10] =  246;
  cost[1,5,10] =  197;
  cost[1,6,10] =  53;
  cost[1,7,10] =  3;
  cost[1,8,10] =  187;
  cost[1,9,10] =  273;
  cost[1,10,10] =  73;
  cost[1,11,10] =  264;
  cost[1,12,10] =  255;
  cost[1,13,10] =  54;
  cost[1,14,10] =  207;
  cost[1,15,10] =  15;
  cost[1,16,10] =  212;
  cost[1,17,10] =  134;
  cost[2,0,10] =  158;
  cost[2,1,10] =  35;
  cost[2,2,10] =  0;
  cost[2,3,10] =  270;
  cost[2,4,10] =  149;
  cost[2,5,10] =  305;
  cost[2,6,10] =  149;
  cost[2,7,10] =  271;
  cost[2,8,10] =  186;
  cost[2,9,10] =  247;
  cost[2,10,10] =  39;
  cost[2,11,10] =  156;
  cost[2,12,10] =  26;
  cost[2,13,10] =  4;
  cost[2,14,10] =  68;
  cost[2,15,10] =  12;
  cost[2,16,10] =  87;
  cost[2,17,10] =  104;
  cost[3,0,10] =  250;
  cost[3,1,10] =  226;
  cost[3,2,10] =  270;
  cost[3,3,10] =  0;
  cost[3,4,10] =  9;
  cost[3,5,10] =  301;
  cost[3,6,10] =  291;
  cost[3,7,10] =  13;
  cost[3,8,10] =  165;
  cost[3,9,10] =  241;
  cost[3,10,10] =  86;
  cost[3,11,10] =  105;
  cost[3,12,10] =  172;
  cost[3,13,10] =  141;
  cost[3,14,10] =  313;
  cost[3,15,10] =  187;
  cost[3,16,10] =  29;
  cost[3,17,10] =  123;
  cost[4,0,10] =  16;
  cost[4,1,10] =  246;
  cost[4,2,10] =  149;
  cost[4,3,10] =  9;
  cost[4,4,10] =  0;
  cost[4,5,10] =  300;
  cost[4,6,10] =  273;
  cost[4,7,10] =  201;
  cost[4,8,10] =  125;
  cost[4,9,10] =  221;
  cost[4,10,10] =  63;
  cost[4,11,10] =  48;
  cost[4,12,10] =  261;
  cost[4,13,10] =  220;
  cost[4,14,10] =  74;
  cost[4,15,10] =  266;
  cost[4,16,10] =  289;
  cost[4,17,10] =  86;
  cost[5,0,10] =  57;
  cost[5,1,10] =  197;
  cost[5,2,10] =  305;
  cost[5,3,10] =  301;
  cost[5,4,10] =  300;
  cost[5,5,10] =  0;
  cost[5,6,10] =  69;
  cost[5,7,10] =  1;
  cost[5,8,10] =  38;
  cost[5,9,10] =  47;
  cost[5,10,10] =  292;
  cost[5,11,10] =  51;
  cost[5,12,10] =  213;
  cost[5,13,10] =  209;
  cost[5,14,10] =  138;
  cost[5,15,10] =  318;
  cost[5,16,10] =  58;
  cost[5,17,10] =  279;
  cost[6,0,10] =  15;
  cost[6,1,10] =  53;
  cost[6,2,10] =  149;
  cost[6,3,10] =  291;
  cost[6,4,10] =  273;
  cost[6,5,10] =  69;
  cost[6,6,10] =  0;
  cost[6,7,10] =  246;
  cost[6,8,10] =  309;
  cost[6,9,10] =  108;
  cost[6,10,10] =  141;
  cost[6,11,10] =  285;
  cost[6,12,10] =  57;
  cost[6,13,10] =  19;
  cost[6,14,10] =  86;
  cost[6,15,10] =  279;
  cost[6,16,10] =  83;
  cost[6,17,10] =  135;
  cost[7,0,10] =  273;
  cost[7,1,10] =  3;
  cost[7,2,10] =  271;
  cost[7,3,10] =  13;
  cost[7,4,10] =  201;
  cost[7,5,10] =  1;
  cost[7,6,10] =  246;
  cost[7,7,10] =  0;
  cost[7,8,10] =  303;
  cost[7,9,10] =  210;
  cost[7,10,10] =  158;
  cost[7,11,10] =  268;
  cost[7,12,10] =  296;
  cost[7,13,10] =  187;
  cost[7,14,10] =  14;
  cost[7,15,10] =  297;
  cost[7,16,10] =  226;
  cost[7,17,10] =  61;
  cost[8,0,10] =  202;
  cost[8,1,10] =  187;
  cost[8,2,10] =  186;
  cost[8,3,10] =  165;
  cost[8,4,10] =  125;
  cost[8,5,10] =  38;
  cost[8,6,10] =  309;
  cost[8,7,10] =  303;
  cost[8,8,10] =  0;
  cost[8,9,10] =  278;
  cost[8,10,10] =  274;
  cost[8,11,10] =  152;
  cost[8,12,10] =  93;
  cost[8,13,10] =  269;
  cost[8,14,10] =  210;
  cost[8,15,10] =  48;
  cost[8,16,10] =  254;
  cost[8,17,10] =  132;
  cost[9,0,10] =  122;
  cost[9,1,10] =  273;
  cost[9,2,10] =  247;
  cost[9,3,10] =  241;
  cost[9,4,10] =  221;
  cost[9,5,10] =  47;
  cost[9,6,10] =  108;
  cost[9,7,10] =  210;
  cost[9,8,10] =  278;
  cost[9,9,10] =  0;
  cost[9,10,10] =  38;
  cost[9,11,10] =  274;
  cost[9,12,10] =  319;
  cost[9,13,10] =  96;
  cost[9,14,10] =  294;
  cost[9,15,10] =  81;
  cost[9,16,10] =  51;
  cost[9,17,10] =  53;
  cost[10,0,10] =  204;
  cost[10,1,10] =  73;
  cost[10,2,10] =  39;
  cost[10,3,10] =  86;
  cost[10,4,10] =  63;
  cost[10,5,10] =  292;
  cost[10,6,10] =  141;
  cost[10,7,10] =  158;
  cost[10,8,10] =  274;
  cost[10,9,10] =  38;
  cost[10,10,10] =  0;
  cost[10,11,10] =  267;
  cost[10,12,10] =  32;
  cost[10,13,10] =  103;
  cost[10,14,10] =  102;
  cost[10,15,10] =  301;
  cost[10,16,10] =  75;
  cost[10,17,10] =  290;
  cost[11,0,10] =  97;
  cost[11,1,10] =  264;
  cost[11,2,10] =  156;
  cost[11,3,10] =  105;
  cost[11,4,10] =  48;
  cost[11,5,10] =  51;
  cost[11,6,10] =  285;
  cost[11,7,10] =  268;
  cost[11,8,10] =  152;
  cost[11,9,10] =  274;
  cost[11,10,10] =  267;
  cost[11,11,10] =  0;
  cost[11,12,10] =  49;
  cost[11,13,10] =  193;
  cost[11,14,10] =  53;
  cost[11,15,10] =  316;
  cost[11,16,10] =  147;
  cost[11,17,10] =  4;
  cost[12,0,10] =  91;
  cost[12,1,10] =  255;
  cost[12,2,10] =  26;
  cost[12,3,10] =  172;
  cost[12,4,10] =  261;
  cost[12,5,10] =  213;
  cost[12,6,10] =  57;
  cost[12,7,10] =  296;
  cost[12,8,10] =  93;
  cost[12,9,10] =  319;
  cost[12,10,10] =  32;
  cost[12,11,10] =  49;
  cost[12,12,10] =  0;
  cost[12,13,10] =  240;
  cost[12,14,10] =  274;
  cost[12,15,10] =  31;
  cost[12,16,10] =  289;
  cost[12,17,10] =  204;
  cost[13,0,10] =  294;
  cost[13,1,10] =  54;
  cost[13,2,10] =  4;
  cost[13,3,10] =  141;
  cost[13,4,10] =  220;
  cost[13,5,10] =  209;
  cost[13,6,10] =  19;
  cost[13,7,10] =  187;
  cost[13,8,10] =  269;
  cost[13,9,10] =  96;
  cost[13,10,10] =  103;
  cost[13,11,10] =  193;
  cost[13,12,10] =  240;
  cost[13,13,10] =  0;
  cost[13,14,10] =  323;
  cost[13,15,10] =  242;
  cost[13,16,10] =  115;
  cost[13,17,10] =  318;
  cost[14,0,10] =  103;
  cost[14,1,10] =  207;
  cost[14,2,10] =  68;
  cost[14,3,10] =  313;
  cost[14,4,10] =  74;
  cost[14,5,10] =  138;
  cost[14,6,10] =  86;
  cost[14,7,10] =  14;
  cost[14,8,10] =  210;
  cost[14,9,10] =  294;
  cost[14,10,10] =  102;
  cost[14,11,10] =  53;
  cost[14,12,10] =  274;
  cost[14,13,10] =  323;
  cost[14,14,10] =  0;
  cost[14,15,10] =  85;
  cost[14,16,10] =  75;
  cost[14,17,10] =  65;
  cost[15,0,10] =  289;
  cost[15,1,10] =  15;
  cost[15,2,10] =  12;
  cost[15,3,10] =  187;
  cost[15,4,10] =  266;
  cost[15,5,10] =  318;
  cost[15,6,10] =  279;
  cost[15,7,10] =  297;
  cost[15,8,10] =  48;
  cost[15,9,10] =  81;
  cost[15,10,10] =  301;
  cost[15,11,10] =  316;
  cost[15,12,10] =  31;
  cost[15,13,10] =  242;
  cost[15,14,10] =  85;
  cost[15,15,10] =  0;
  cost[15,16,10] =  293;
  cost[15,17,10] =  9;
  cost[16,0,10] =  236;
  cost[16,1,10] =  212;
  cost[16,2,10] =  87;
  cost[16,3,10] =  29;
  cost[16,4,10] =  289;
  cost[16,5,10] =  58;
  cost[16,6,10] =  83;
  cost[16,7,10] =  226;
  cost[16,8,10] =  254;
  cost[16,9,10] =  51;
  cost[16,10,10] =  75;
  cost[16,11,10] =  147;
  cost[16,12,10] =  289;
  cost[16,13,10] =  115;
  cost[16,14,10] =  75;
  cost[16,15,10] =  293;
  cost[16,16,10] =  0;
  cost[16,17,10] =  72;
  cost[17,0,10] =  309;
  cost[17,1,10] =  134;
  cost[17,2,10] =  104;
  cost[17,3,10] =  123;
  cost[17,4,10] =  86;
  cost[17,5,10] =  279;
  cost[17,6,10] =  135;
  cost[17,7,10] =  61;
  cost[17,8,10] =  132;
  cost[17,9,10] =  53;
  cost[17,10,10] =  290;
  cost[17,11,10] =  4;
  cost[17,12,10] =  204;
  cost[17,13,10] =  318;
  cost[17,14,10] =  65;
  cost[17,15,10] =  9;
  cost[17,16,10] =  72;
  cost[17,17,10] =  0;
  cost[0,0,11] =  0;
  cost[0,1,11] =  148;
  cost[0,2,11] =  79;
  cost[0,3,11] =  141;
  cost[0,4,11] =  197;
  cost[0,5,11] =  272;
  cost[0,6,11] =  195;
  cost[0,7,11] =  190;
  cost[0,8,11] =  95;
  cost[0,9,11] =  199;
  cost[0,10,11] =  11;
  cost[0,11,11] =  12;
  cost[0,12,11] =  149;
  cost[0,13,11] =  42;
  cost[0,14,11] =  301;
  cost[0,15,11] =  29;
  cost[0,16,11] =  207;
  cost[0,17,11] =  300;
  cost[1,0,11] =  148;
  cost[1,1,11] =  0;
  cost[1,2,11] =  322;
  cost[1,3,11] =  294;
  cost[1,4,11] =  287;
  cost[1,5,11] =  83;
  cost[1,6,11] =  46;
  cost[1,7,11] =  29;
  cost[1,8,11] =  222;
  cost[1,9,11] =  15;
  cost[1,10,11] =  38;
  cost[1,11,11] =  70;
  cost[1,12,11] =  87;
  cost[1,13,11] =  151;
  cost[1,14,11] =  219;
  cost[1,15,11] =  236;
  cost[1,16,11] =  230;
  cost[1,17,11] =  37;
  cost[2,0,11] =  79;
  cost[2,1,11] =  322;
  cost[2,2,11] =  0;
  cost[2,3,11] =  178;
  cost[2,4,11] =  232;
  cost[2,5,11] =  300;
  cost[2,6,11] =  274;
  cost[2,7,11] =  107;
  cost[2,8,11] =  311;
  cost[2,9,11] =  286;
  cost[2,10,11] =  257;
  cost[2,11,11] =  30;
  cost[2,12,11] =  264;
  cost[2,13,11] =  287;
  cost[2,14,11] =  238;
  cost[2,15,11] =  240;
  cost[2,16,11] =  235;
  cost[2,17,11] =  236;
  cost[3,0,11] =  141;
  cost[3,1,11] =  294;
  cost[3,2,11] =  178;
  cost[3,3,11] =  0;
  cost[3,4,11] =  198;
  cost[3,5,11] =  320;
  cost[3,6,11] =  258;
  cost[3,7,11] =  227;
  cost[3,8,11] =  219;
  cost[3,9,11] =  273;
  cost[3,10,11] =  266;
  cost[3,11,11] =  289;
  cost[3,12,11] =  37;
  cost[3,13,11] =  94;
  cost[3,14,11] =  185;
  cost[3,15,11] =  273;
  cost[3,16,11] =  0;
  cost[3,17,11] =  222;
  cost[4,0,11] =  197;
  cost[4,1,11] =  287;
  cost[4,2,11] =  232;
  cost[4,3,11] =  198;
  cost[4,4,11] =  0;
  cost[4,5,11] =  179;
  cost[4,6,11] =  130;
  cost[4,7,11] =  36;
  cost[4,8,11] =  129;
  cost[4,9,11] =  238;
  cost[4,10,11] =  24;
  cost[4,11,11] =  92;
  cost[4,12,11] =  171;
  cost[4,13,11] =  55;
  cost[4,14,11] =  32;
  cost[4,15,11] =  135;
  cost[4,16,11] =  293;
  cost[4,17,11] =  273;
  cost[5,0,11] =  272;
  cost[5,1,11] =  83;
  cost[5,2,11] =  300;
  cost[5,3,11] =  320;
  cost[5,4,11] =  179;
  cost[5,5,11] =  0;
  cost[5,6,11] =  206;
  cost[5,7,11] =  160;
  cost[5,8,11] =  245;
  cost[5,9,11] =  203;
  cost[5,10,11] =  94;
  cost[5,11,11] =  149;
  cost[5,12,11] =  98;
  cost[5,13,11] =  44;
  cost[5,14,11] =  92;
  cost[5,15,11] =  64;
  cost[5,16,11] =  82;
  cost[5,17,11] =  186;
  cost[6,0,11] =  195;
  cost[6,1,11] =  46;
  cost[6,2,11] =  274;
  cost[6,3,11] =  258;
  cost[6,4,11] =  130;
  cost[6,5,11] =  206;
  cost[6,6,11] =  0;
  cost[6,7,11] =  32;
  cost[6,8,11] =  187;
  cost[6,9,11] =  149;
  cost[6,10,11] =  92;
  cost[6,11,11] =  43;
  cost[6,12,11] =  279;
  cost[6,13,11] =  129;
  cost[6,14,11] =  172;
  cost[6,15,11] =  194;
  cost[6,16,11] =  153;
  cost[6,17,11] =  265;
  cost[7,0,11] =  190;
  cost[7,1,11] =  29;
  cost[7,2,11] =  107;
  cost[7,3,11] =  227;
  cost[7,4,11] =  36;
  cost[7,5,11] =  160;
  cost[7,6,11] =  32;
  cost[7,7,11] =  0;
  cost[7,8,11] =  209;
  cost[7,9,11] =  297;
  cost[7,10,11] =  176;
  cost[7,11,11] =  178;
  cost[7,12,11] =  246;
  cost[7,13,11] =  223;
  cost[7,14,11] =  61;
  cost[7,15,11] =  83;
  cost[7,16,11] =  145;
  cost[7,17,11] =  264;
  cost[8,0,11] =  95;
  cost[8,1,11] =  222;
  cost[8,2,11] =  311;
  cost[8,3,11] =  219;
  cost[8,4,11] =  129;
  cost[8,5,11] =  245;
  cost[8,6,11] =  187;
  cost[8,7,11] =  209;
  cost[8,8,11] =  0;
  cost[8,9,11] =  295;
  cost[8,10,11] =  39;
  cost[8,11,11] =  223;
  cost[8,12,11] =  63;
  cost[8,13,11] =  103;
  cost[8,14,11] =  305;
  cost[8,15,11] =  250;
  cost[8,16,11] =  30;
  cost[8,17,11] =  14;
  cost[9,0,11] =  199;
  cost[9,1,11] =  15;
  cost[9,2,11] =  286;
  cost[9,3,11] =  273;
  cost[9,4,11] =  238;
  cost[9,5,11] =  203;
  cost[9,6,11] =  149;
  cost[9,7,11] =  297;
  cost[9,8,11] =  295;
  cost[9,9,11] =  0;
  cost[9,10,11] =  179;
  cost[9,11,11] =  107;
  cost[9,12,11] =  157;
  cost[9,13,11] =  135;
  cost[9,14,11] =  236;
  cost[9,15,11] =  6;
  cost[9,16,11] =  5;
  cost[9,17,11] =  66;
  cost[10,0,11] =  11;
  cost[10,1,11] =  38;
  cost[10,2,11] =  257;
  cost[10,3,11] =  266;
  cost[10,4,11] =  24;
  cost[10,5,11] =  94;
  cost[10,6,11] =  92;
  cost[10,7,11] =  176;
  cost[10,8,11] =  39;
  cost[10,9,11] =  179;
  cost[10,10,11] =  0;
  cost[10,11,11] =  47;
  cost[10,12,11] =  275;
  cost[10,13,11] =  245;
  cost[10,14,11] =  224;
  cost[10,15,11] =  130;
  cost[10,16,11] =  167;
  cost[10,17,11] =  124;
  cost[11,0,11] =  12;
  cost[11,1,11] =  70;
  cost[11,2,11] =  30;
  cost[11,3,11] =  289;
  cost[11,4,11] =  92;
  cost[11,5,11] =  149;
  cost[11,6,11] =  43;
  cost[11,7,11] =  178;
  cost[11,8,11] =  223;
  cost[11,9,11] =  107;
  cost[11,10,11] =  47;
  cost[11,11,11] =  0;
  cost[11,12,11] =  251;
  cost[11,13,11] =  269;
  cost[11,14,11] =  131;
  cost[11,15,11] =  105;
  cost[11,16,11] =  240;
  cost[11,17,11] =  170;
  cost[12,0,11] =  149;
  cost[12,1,11] =  87;
  cost[12,2,11] =  264;
  cost[12,3,11] =  37;
  cost[12,4,11] =  171;
  cost[12,5,11] =  98;
  cost[12,6,11] =  279;
  cost[12,7,11] =  246;
  cost[12,8,11] =  63;
  cost[12,9,11] =  157;
  cost[12,10,11] =  275;
  cost[12,11,11] =  251;
  cost[12,12,11] =  0;
  cost[12,13,11] =  304;
  cost[12,14,11] =  274;
  cost[12,15,11] =  310;
  cost[12,16,11] =  230;
  cost[12,17,11] =  304;
  cost[13,0,11] =  42;
  cost[13,1,11] =  151;
  cost[13,2,11] =  287;
  cost[13,3,11] =  94;
  cost[13,4,11] =  55;
  cost[13,5,11] =  44;
  cost[13,6,11] =  129;
  cost[13,7,11] =  223;
  cost[13,8,11] =  103;
  cost[13,9,11] =  135;
  cost[13,10,11] =  245;
  cost[13,11,11] =  269;
  cost[13,12,11] =  304;
  cost[13,13,11] =  0;
  cost[13,14,11] =  20;
  cost[13,15,11] =  160;
  cost[13,16,11] =  108;
  cost[13,17,11] =  177;
  cost[14,0,11] =  301;
  cost[14,1,11] =  219;
  cost[14,2,11] =  238;
  cost[14,3,11] =  185;
  cost[14,4,11] =  32;
  cost[14,5,11] =  92;
  cost[14,6,11] =  172;
  cost[14,7,11] =  61;
  cost[14,8,11] =  305;
  cost[14,9,11] =  236;
  cost[14,10,11] =  224;
  cost[14,11,11] =  131;
  cost[14,12,11] =  274;
  cost[14,13,11] =  20;
  cost[14,14,11] =  0;
  cost[14,15,11] =  20;
  cost[14,16,11] =  183;
  cost[14,17,11] =  301;
  cost[15,0,11] =  29;
  cost[15,1,11] =  236;
  cost[15,2,11] =  240;
  cost[15,3,11] =  273;
  cost[15,4,11] =  135;
  cost[15,5,11] =  64;
  cost[15,6,11] =  194;
  cost[15,7,11] =  83;
  cost[15,8,11] =  250;
  cost[15,9,11] =  6;
  cost[15,10,11] =  130;
  cost[15,11,11] =  105;
  cost[15,12,11] =  310;
  cost[15,13,11] =  160;
  cost[15,14,11] =  20;
  cost[15,15,11] =  0;
  cost[15,16,11] =  131;
  cost[15,17,11] =  25;
  cost[16,0,11] =  207;
  cost[16,1,11] =  230;
  cost[16,2,11] =  235;
  cost[16,3,11] =  0;
  cost[16,4,11] =  293;
  cost[16,5,11] =  82;
  cost[16,6,11] =  153;
  cost[16,7,11] =  145;
  cost[16,8,11] =  30;
  cost[16,9,11] =  5;
  cost[16,10,11] =  167;
  cost[16,11,11] =  240;
  cost[16,12,11] =  230;
  cost[16,13,11] =  108;
  cost[16,14,11] =  183;
  cost[16,15,11] =  131;
  cost[16,16,11] =  0;
  cost[16,17,11] =  52;
  cost[17,0,11] =  300;
  cost[17,1,11] =  37;
  cost[17,2,11] =  236;
  cost[17,3,11] =  222;
  cost[17,4,11] =  273;
  cost[17,5,11] =  186;
  cost[17,6,11] =  265;
  cost[17,7,11] =  264;
  cost[17,8,11] =  14;
  cost[17,9,11] =  66;
  cost[17,10,11] =  124;
  cost[17,11,11] =  170;
  cost[17,12,11] =  304;
  cost[17,13,11] =  177;
  cost[17,14,11] =  301;
  cost[17,15,11] =  25;
  cost[17,16,11] =  52;
  cost[17,17,11] =  0;
  cost[0,0,12] =  0;
  cost[0,1,12] =  220;
  cost[0,2,12] =  50;
  cost[0,3,12] =  35;
  cost[0,4,12] =  147;
  cost[0,5,12] =  320;
  cost[0,6,12] =  166;
  cost[0,7,12] =  253;
  cost[0,8,12] =  237;
  cost[0,9,12] =  13;
  cost[0,10,12] =  258;
  cost[0,11,12] =  217;
  cost[0,12,12] =  287;
  cost[0,13,12] =  245;
  cost[0,14,12] =  124;
  cost[0,15,12] =  268;
  cost[0,16,12] =  246;
  cost[0,17,12] =  145;
  cost[1,0,12] =  220;
  cost[1,1,12] =  0;
  cost[1,2,12] =  30;
  cost[1,3,12] =  323;
  cost[1,4,12] =  77;
  cost[1,5,12] =  51;
  cost[1,6,12] =  183;
  cost[1,7,12] =  54;
  cost[1,8,12] =  137;
  cost[1,9,12] =  314;
  cost[1,10,12] =  80;
  cost[1,11,12] =  175;
  cost[1,12,12] =  42;
  cost[1,13,12] =  6;
  cost[1,14,12] =  20;
  cost[1,15,12] =  263;
  cost[1,16,12] =  56;
  cost[1,17,12] =  55;
  cost[2,0,12] =  50;
  cost[2,1,12] =  30;
  cost[2,2,12] =  0;
  cost[2,3,12] =  52;
  cost[2,4,12] =  221;
  cost[2,5,12] =  16;
  cost[2,6,12] =  289;
  cost[2,7,12] =  235;
  cost[2,8,12] =  275;
  cost[2,9,12] =  183;
  cost[2,10,12] =  199;
  cost[2,11,12] =  196;
  cost[2,12,12] =  308;
  cost[2,13,12] =  144;
  cost[2,14,12] =  119;
  cost[2,15,12] =  129;
  cost[2,16,12] =  249;
  cost[2,17,12] =  150;
  cost[3,0,12] =  35;
  cost[3,1,12] =  323;
  cost[3,2,12] =  52;
  cost[3,3,12] =  0;
  cost[3,4,12] =  3;
  cost[3,5,12] =  201;
  cost[3,6,12] =  312;
  cost[3,7,12] =  58;
  cost[3,8,12] =  15;
  cost[3,9,12] =  303;
  cost[3,10,12] =  138;
  cost[3,11,12] =  191;
  cost[3,12,12] =  21;
  cost[3,13,12] =  144;
  cost[3,14,12] =  211;
  cost[3,15,12] =  285;
  cost[3,16,12] =  200;
  cost[3,17,12] =  266;
  cost[4,0,12] =  147;
  cost[4,1,12] =  77;
  cost[4,2,12] =  221;
  cost[4,3,12] =  3;
  cost[4,4,12] =  0;
  cost[4,5,12] =  253;
  cost[4,6,12] =  164;
  cost[4,7,12] =  64;
  cost[4,8,12] =  219;
  cost[4,9,12] =  75;
  cost[4,10,12] =  16;
  cost[4,11,12] =  79;
  cost[4,12,12] =  275;
  cost[4,13,12] =  212;
  cost[4,14,12] =  63;
  cost[4,15,12] =  95;
  cost[4,16,12] =  8;
  cost[4,17,12] =  192;
  cost[5,0,12] =  320;
  cost[5,1,12] =  51;
  cost[5,2,12] =  16;
  cost[5,3,12] =  201;
  cost[5,4,12] =  253;
  cost[5,5,12] =  0;
  cost[5,6,12] =  158;
  cost[5,7,12] =  321;
  cost[5,8,12] =  23;
  cost[5,9,12] =  35;
  cost[5,10,12] =  310;
  cost[5,11,12] =  82;
  cost[5,12,12] =  51;
  cost[5,13,12] =  289;
  cost[5,14,12] =  220;
  cost[5,15,12] =  242;
  cost[5,16,12] =  311;
  cost[5,17,12] =  40;
  cost[6,0,12] =  166;
  cost[6,1,12] =  183;
  cost[6,2,12] =  289;
  cost[6,3,12] =  312;
  cost[6,4,12] =  164;
  cost[6,5,12] =  158;
  cost[6,6,12] =  0;
  cost[6,7,12] =  272;
  cost[6,8,12] =  241;
  cost[6,9,12] =  72;
  cost[6,10,12] =  320;
  cost[6,11,12] =  171;
  cost[6,12,12] =  237;
  cost[6,13,12] =  61;
  cost[6,14,12] =  66;
  cost[6,15,12] =  312;
  cost[6,16,12] =  77;
  cost[6,17,12] =  145;
  cost[7,0,12] =  253;
  cost[7,1,12] =  54;
  cost[7,2,12] =  235;
  cost[7,3,12] =  58;
  cost[7,4,12] =  64;
  cost[7,5,12] =  321;
  cost[7,6,12] =  272;
  cost[7,7,12] =  0;
  cost[7,8,12] =  290;
  cost[7,9,12] =  209;
  cost[7,10,12] =  35;
  cost[7,11,12] =  298;
  cost[7,12,12] =  78;
  cost[7,13,12] =  56;
  cost[7,14,12] =  132;
  cost[7,15,12] =  76;
  cost[7,16,12] =  80;
  cost[7,17,12] =  168;
  cost[8,0,12] =  237;
  cost[8,1,12] =  137;
  cost[8,2,12] =  275;
  cost[8,3,12] =  15;
  cost[8,4,12] =  219;
  cost[8,5,12] =  23;
  cost[8,6,12] =  241;
  cost[8,7,12] =  290;
  cost[8,8,12] =  0;
  cost[8,9,12] =  162;
  cost[8,10,12] =  219;
  cost[8,11,12] =  27;
  cost[8,12,12] =  58;
  cost[8,13,12] =  138;
  cost[8,14,12] =  15;
  cost[8,15,12] =  99;
  cost[8,16,12] =  268;
  cost[8,17,12] =  287;
  cost[9,0,12] =  13;
  cost[9,1,12] =  314;
  cost[9,2,12] =  183;
  cost[9,3,12] =  303;
  cost[9,4,12] =  75;
  cost[9,5,12] =  35;
  cost[9,6,12] =  72;
  cost[9,7,12] =  209;
  cost[9,8,12] =  162;
  cost[9,9,12] =  0;
  cost[9,10,12] =  16;
  cost[9,11,12] =  284;
  cost[9,12,12] =  188;
  cost[9,13,12] =  253;
  cost[9,14,12] =  21;
  cost[9,15,12] =  255;
  cost[9,16,12] =  242;
  cost[9,17,12] =  98;
  cost[10,0,12] =  258;
  cost[10,1,12] =  80;
  cost[10,2,12] =  199;
  cost[10,3,12] =  138;
  cost[10,4,12] =  16;
  cost[10,5,12] =  310;
  cost[10,6,12] =  320;
  cost[10,7,12] =  35;
  cost[10,8,12] =  219;
  cost[10,9,12] =  16;
  cost[10,10,12] =  0;
  cost[10,11,12] =  182;
  cost[10,12,12] =  64;
  cost[10,13,12] =  286;
  cost[10,14,12] =  218;
  cost[10,15,12] =  38;
  cost[10,16,12] =  40;
  cost[10,17,12] =  274;
  cost[11,0,12] =  217;
  cost[11,1,12] =  175;
  cost[11,2,12] =  196;
  cost[11,3,12] =  191;
  cost[11,4,12] =  79;
  cost[11,5,12] =  82;
  cost[11,6,12] =  171;
  cost[11,7,12] =  298;
  cost[11,8,12] =  27;
  cost[11,9,12] =  284;
  cost[11,10,12] =  182;
  cost[11,11,12] =  0;
  cost[11,12,12] =  116;
  cost[11,13,12] =  30;
  cost[11,14,12] =  15;
  cost[11,15,12] =  178;
  cost[11,16,12] =  192;
  cost[11,17,12] =  235;
  cost[12,0,12] =  287;
  cost[12,1,12] =  42;
  cost[12,2,12] =  308;
  cost[12,3,12] =  21;
  cost[12,4,12] =  275;
  cost[12,5,12] =  51;
  cost[12,6,12] =  237;
  cost[12,7,12] =  78;
  cost[12,8,12] =  58;
  cost[12,9,12] =  188;
  cost[12,10,12] =  64;
  cost[12,11,12] =  116;
  cost[12,12,12] =  0;
  cost[12,13,12] =  251;
  cost[12,14,12] =  49;
  cost[12,15,12] =  221;
  cost[12,16,12] =  26;
  cost[12,17,12] =  317;
  cost[13,0,12] =  245;
  cost[13,1,12] =  6;
  cost[13,2,12] =  144;
  cost[13,3,12] =  144;
  cost[13,4,12] =  212;
  cost[13,5,12] =  289;
  cost[13,6,12] =  61;
  cost[13,7,12] =  56;
  cost[13,8,12] =  138;
  cost[13,9,12] =  253;
  cost[13,10,12] =  286;
  cost[13,11,12] =  30;
  cost[13,12,12] =  251;
  cost[13,13,12] =  0;
  cost[13,14,12] =  43;
  cost[13,15,12] =  10;
  cost[13,16,12] =  145;
  cost[13,17,12] =  232;
  cost[14,0,12] =  124;
  cost[14,1,12] =  20;
  cost[14,2,12] =  119;
  cost[14,3,12] =  211;
  cost[14,4,12] =  63;
  cost[14,5,12] =  220;
  cost[14,6,12] =  66;
  cost[14,7,12] =  132;
  cost[14,8,12] =  15;
  cost[14,9,12] =  21;
  cost[14,10,12] =  218;
  cost[14,11,12] =  15;
  cost[14,12,12] =  49;
  cost[14,13,12] =  43;
  cost[14,14,12] =  0;
  cost[14,15,12] =  167;
  cost[14,16,12] =  163;
  cost[14,17,12] =  183;
  cost[15,0,12] =  268;
  cost[15,1,12] =  263;
  cost[15,2,12] =  129;
  cost[15,3,12] =  285;
  cost[15,4,12] =  95;
  cost[15,5,12] =  242;
  cost[15,6,12] =  312;
  cost[15,7,12] =  76;
  cost[15,8,12] =  99;
  cost[15,9,12] =  255;
  cost[15,10,12] =  38;
  cost[15,11,12] =  178;
  cost[15,12,12] =  221;
  cost[15,13,12] =  10;
  cost[15,14,12] =  167;
  cost[15,15,12] =  0;
  cost[15,16,12] =  240;
  cost[15,17,12] =  42;
  cost[16,0,12] =  246;
  cost[16,1,12] =  56;
  cost[16,2,12] =  249;
  cost[16,3,12] =  200;
  cost[16,4,12] =  8;
  cost[16,5,12] =  311;
  cost[16,6,12] =  77;
  cost[16,7,12] =  80;
  cost[16,8,12] =  268;
  cost[16,9,12] =  242;
  cost[16,10,12] =  40;
  cost[16,11,12] =  192;
  cost[16,12,12] =  26;
  cost[16,13,12] =  145;
  cost[16,14,12] =  163;
  cost[16,15,12] =  240;
  cost[16,16,12] =  0;
  cost[16,17,12] =  202;
  cost[17,0,12] =  145;
  cost[17,1,12] =  55;
  cost[17,2,12] =  150;
  cost[17,3,12] =  266;
  cost[17,4,12] =  192;
  cost[17,5,12] =  40;
  cost[17,6,12] =  145;
  cost[17,7,12] =  168;
  cost[17,8,12] =  287;
  cost[17,9,12] =  98;
  cost[17,10,12] =  274;
  cost[17,11,12] =  235;
  cost[17,12,12] =  317;
  cost[17,13,12] =  232;
  cost[17,14,12] =  183;
  cost[17,15,12] =  42;
  cost[17,16,12] =  202;
  cost[17,17,12] =  0;
  cost[0,0,13] =  0;
  cost[0,1,13] =  243;
  cost[0,2,13] =  210;
  cost[0,3,13] =  216;
  cost[0,4,13] =  35;
  cost[0,5,13] =  241;
  cost[0,6,13] =  232;
  cost[0,7,13] =  214;
  cost[0,8,13] =  109;
  cost[0,9,13] =  143;
  cost[0,10,13] =  96;
  cost[0,11,13] =  37;
  cost[0,12,13] =  192;
  cost[0,13,13] =  318;
  cost[0,14,13] =  63;
  cost[0,15,13] =  186;
  cost[0,16,13] =  180;
  cost[0,17,13] =  107;
  cost[1,0,13] =  243;
  cost[1,1,13] =  0;
  cost[1,2,13] =  1;
  cost[1,3,13] =  16;
  cost[1,4,13] =  137;
  cost[1,5,13] =  169;
  cost[1,6,13] =  179;
  cost[1,7,13] =  320;
  cost[1,8,13] =  110;
  cost[1,9,13] =  96;
  cost[1,10,13] =  38;
  cost[1,11,13] =  116;
  cost[1,12,13] =  299;
  cost[1,13,13] =  298;
  cost[1,14,13] =  161;
  cost[1,15,13] =  218;
  cost[1,16,13] =  185;
  cost[1,17,13] =  54;
  cost[2,0,13] =  210;
  cost[2,1,13] =  1;
  cost[2,2,13] =  0;
  cost[2,3,13] =  102;
  cost[2,4,13] =  286;
  cost[2,5,13] =  143;
  cost[2,6,13] =  212;
  cost[2,7,13] =  105;
  cost[2,8,13] =  240;
  cost[2,9,13] =  249;
  cost[2,10,13] =  298;
  cost[2,11,13] =  235;
  cost[2,12,13] =  313;
  cost[2,13,13] =  160;
  cost[2,14,13] =  91;
  cost[2,15,13] =  97;
  cost[2,16,13] =  33;
  cost[2,17,13] =  93;
  cost[3,0,13] =  216;
  cost[3,1,13] =  16;
  cost[3,2,13] =  102;
  cost[3,3,13] =  0;
  cost[3,4,13] =  170;
  cost[3,5,13] =  262;
  cost[3,6,13] =  293;
  cost[3,7,13] =  166;
  cost[3,8,13] =  49;
  cost[3,9,13] =  65;
  cost[3,10,13] =  205;
  cost[3,11,13] =  166;
  cost[3,12,13] =  41;
  cost[3,13,13] =  180;
  cost[3,14,13] =  3;
  cost[3,15,13] =  259;
  cost[3,16,13] =  42;
  cost[3,17,13] =  58;
  cost[4,0,13] =  35;
  cost[4,1,13] =  137;
  cost[4,2,13] =  286;
  cost[4,3,13] =  170;
  cost[4,4,13] =  0;
  cost[4,5,13] =  144;
  cost[4,6,13] =  20;
  cost[4,7,13] =  9;
  cost[4,8,13] =  33;
  cost[4,9,13] =  125;
  cost[4,10,13] =  249;
  cost[4,11,13] =  282;
  cost[4,12,13] =  99;
  cost[4,13,13] =  161;
  cost[4,14,13] =  272;
  cost[4,15,13] =  260;
  cost[4,16,13] =  253;
  cost[4,17,13] =  45;
  cost[5,0,13] =  241;
  cost[5,1,13] =  169;
  cost[5,2,13] =  143;
  cost[5,3,13] =  262;
  cost[5,4,13] =  144;
  cost[5,5,13] =  0;
  cost[5,6,13] =  22;
  cost[5,7,13] =  159;
  cost[5,8,13] =  139;
  cost[5,9,13] =  285;
  cost[5,10,13] =  128;
  cost[5,11,13] =  306;
  cost[5,12,13] =  10;
  cost[5,13,13] =  194;
  cost[5,14,13] =  188;
  cost[5,15,13] =  176;
  cost[5,16,13] =  235;
  cost[5,17,13] =  44;
  cost[6,0,13] =  232;
  cost[6,1,13] =  179;
  cost[6,2,13] =  212;
  cost[6,3,13] =  293;
  cost[6,4,13] =  20;
  cost[6,5,13] =  22;
  cost[6,6,13] =  0;
  cost[6,7,13] =  170;
  cost[6,8,13] =  86;
  cost[6,9,13] =  238;
  cost[6,10,13] =  35;
  cost[6,11,13] =  231;
  cost[6,12,13] =  259;
  cost[6,13,13] =  44;
  cost[6,14,13] =  264;
  cost[6,15,13] =  60;
  cost[6,16,13] =  294;
  cost[6,17,13] =  223;
  cost[7,0,13] =  214;
  cost[7,1,13] =  320;
  cost[7,2,13] =  105;
  cost[7,3,13] =  166;
  cost[7,4,13] =  9;
  cost[7,5,13] =  159;
  cost[7,6,13] =  170;
  cost[7,7,13] =  0;
  cost[7,8,13] =  132;
  cost[7,9,13] =  171;
  cost[7,10,13] =  96;
  cost[7,11,13] =  61;
  cost[7,12,13] =  217;
  cost[7,13,13] =  65;
  cost[7,14,13] =  84;
  cost[7,15,13] =  52;
  cost[7,16,13] =  205;
  cost[7,17,13] =  45;
  cost[8,0,13] =  109;
  cost[8,1,13] =  110;
  cost[8,2,13] =  240;
  cost[8,3,13] =  49;
  cost[8,4,13] =  33;
  cost[8,5,13] =  139;
  cost[8,6,13] =  86;
  cost[8,7,13] =  132;
  cost[8,8,13] =  0;
  cost[8,9,13] =  188;
  cost[8,10,13] =  56;
  cost[8,11,13] =  50;
  cost[8,12,13] =  52;
  cost[8,13,13] =  233;
  cost[8,14,13] =  285;
  cost[8,15,13] =  96;
  cost[8,16,13] =  90;
  cost[8,17,13] =  132;
  cost[9,0,13] =  143;
  cost[9,1,13] =  96;
  cost[9,2,13] =  249;
  cost[9,3,13] =  65;
  cost[9,4,13] =  125;
  cost[9,5,13] =  285;
  cost[9,6,13] =  238;
  cost[9,7,13] =  171;
  cost[9,8,13] =  188;
  cost[9,9,13] =  0;
  cost[9,10,13] =  5;
  cost[9,11,13] =  167;
  cost[9,12,13] =  90;
  cost[9,13,13] =  264;
  cost[9,14,13] =  212;
  cost[9,15,13] =  31;
  cost[9,16,13] =  0;
  cost[9,17,13] =  183;
  cost[10,0,13] =  96;
  cost[10,1,13] =  38;
  cost[10,2,13] =  298;
  cost[10,3,13] =  205;
  cost[10,4,13] =  249;
  cost[10,5,13] =  128;
  cost[10,6,13] =  35;
  cost[10,7,13] =  96;
  cost[10,8,13] =  56;
  cost[10,9,13] =  5;
  cost[10,10,13] =  0;
  cost[10,11,13] =  160;
  cost[10,12,13] =  315;
  cost[10,13,13] =  102;
  cost[10,14,13] =  257;
  cost[10,15,13] =  53;
  cost[10,16,13] =  319;
  cost[10,17,13] =  322;
  cost[11,0,13] =  37;
  cost[11,1,13] =  116;
  cost[11,2,13] =  235;
  cost[11,3,13] =  166;
  cost[11,4,13] =  282;
  cost[11,5,13] =  306;
  cost[11,6,13] =  231;
  cost[11,7,13] =  61;
  cost[11,8,13] =  50;
  cost[11,9,13] =  167;
  cost[11,10,13] =  160;
  cost[11,11,13] =  0;
  cost[11,12,13] =  48;
  cost[11,13,13] =  203;
  cost[11,14,13] =  182;
  cost[11,15,13] =  228;
  cost[11,16,13] =  67;
  cost[11,17,13] =  238;
  cost[12,0,13] =  192;
  cost[12,1,13] =  299;
  cost[12,2,13] =  313;
  cost[12,3,13] =  41;
  cost[12,4,13] =  99;
  cost[12,5,13] =  10;
  cost[12,6,13] =  259;
  cost[12,7,13] =  217;
  cost[12,8,13] =  52;
  cost[12,9,13] =  90;
  cost[12,10,13] =  315;
  cost[12,11,13] =  48;
  cost[12,12,13] =  0;
  cost[12,13,13] =  120;
  cost[12,14,13] =  147;
  cost[12,15,13] =  241;
  cost[12,16,13] =  217;
  cost[12,17,13] =  237;
  cost[13,0,13] =  318;
  cost[13,1,13] =  298;
  cost[13,2,13] =  160;
  cost[13,3,13] =  180;
  cost[13,4,13] =  161;
  cost[13,5,13] =  194;
  cost[13,6,13] =  44;
  cost[13,7,13] =  65;
  cost[13,8,13] =  233;
  cost[13,9,13] =  264;
  cost[13,10,13] =  102;
  cost[13,11,13] =  203;
  cost[13,12,13] =  120;
  cost[13,13,13] =  0;
  cost[13,14,13] =  76;
  cost[13,15,13] =  243;
  cost[13,16,13] =  217;
  cost[13,17,13] =  167;
  cost[14,0,13] =  63;
  cost[14,1,13] =  161;
  cost[14,2,13] =  91;
  cost[14,3,13] =  3;
  cost[14,4,13] =  272;
  cost[14,5,13] =  188;
  cost[14,6,13] =  264;
  cost[14,7,13] =  84;
  cost[14,8,13] =  285;
  cost[14,9,13] =  212;
  cost[14,10,13] =  257;
  cost[14,11,13] =  182;
  cost[14,12,13] =  147;
  cost[14,13,13] =  76;
  cost[14,14,13] =  0;
  cost[14,15,13] =  105;
  cost[14,16,13] =  199;
  cost[14,17,13] =  183;
  cost[15,0,13] =  186;
  cost[15,1,13] =  218;
  cost[15,2,13] =  97;
  cost[15,3,13] =  259;
  cost[15,4,13] =  260;
  cost[15,5,13] =  176;
  cost[15,6,13] =  60;
  cost[15,7,13] =  52;
  cost[15,8,13] =  96;
  cost[15,9,13] =  31;
  cost[15,10,13] =  53;
  cost[15,11,13] =  228;
  cost[15,12,13] =  241;
  cost[15,13,13] =  243;
  cost[15,14,13] =  105;
  cost[15,15,13] =  0;
  cost[15,16,13] =  130;
  cost[15,17,13] =  20;
  cost[16,0,13] =  180;
  cost[16,1,13] =  185;
  cost[16,2,13] =  33;
  cost[16,3,13] =  42;
  cost[16,4,13] =  253;
  cost[16,5,13] =  235;
  cost[16,6,13] =  294;
  cost[16,7,13] =  205;
  cost[16,8,13] =  90;
  cost[16,9,13] =  0;
  cost[16,10,13] =  319;
  cost[16,11,13] =  67;
  cost[16,12,13] =  217;
  cost[16,13,13] =  217;
  cost[16,14,13] =  199;
  cost[16,15,13] =  130;
  cost[16,16,13] =  0;
  cost[16,17,13] =  232;
  cost[17,0,13] =  107;
  cost[17,1,13] =  54;
  cost[17,2,13] =  93;
  cost[17,3,13] =  58;
  cost[17,4,13] =  45;
  cost[17,5,13] =  44;
  cost[17,6,13] =  223;
  cost[17,7,13] =  45;
  cost[17,8,13] =  132;
  cost[17,9,13] =  183;
  cost[17,10,13] =  322;
  cost[17,11,13] =  238;
  cost[17,12,13] =  237;
  cost[17,13,13] =  167;
  cost[17,14,13] =  183;
  cost[17,15,13] =  20;
  cost[17,16,13] =  232;
  cost[17,17,13] =  0;
  cost[0,0,14] =  0;
  cost[0,1,14] =  228;
  cost[0,2,14] =  276;
  cost[0,3,14] =  148;
  cost[0,4,14] =  277;
  cost[0,5,14] =  156;
  cost[0,6,14] =  6;
  cost[0,7,14] =  182;
  cost[0,8,14] =  224;
  cost[0,9,14] =  245;
  cost[0,10,14] =  137;
  cost[0,11,14] =  20;
  cost[0,12,14] =  69;
  cost[0,13,14] =  54;
  cost[0,14,14] =  237;
  cost[0,15,14] =  307;
  cost[0,16,14] =  104;
  cost[0,17,14] =  314;
  cost[1,0,14] =  228;
  cost[1,1,14] =  0;
  cost[1,2,14] =  321;
  cost[1,3,14] =  157;
  cost[1,4,14] =  85;
  cost[1,5,14] =  102;
  cost[1,6,14] =  32;
  cost[1,7,14] =  269;
  cost[1,8,14] =  68;
  cost[1,9,14] =  163;
  cost[1,10,14] =  290;
  cost[1,11,14] =  25;
  cost[1,12,14] =  72;
  cost[1,13,14] =  243;
  cost[1,14,14] =  36;
  cost[1,15,14] =  300;
  cost[1,16,14] =  196;
  cost[1,17,14] =  184;
  cost[2,0,14] =  276;
  cost[2,1,14] =  321;
  cost[2,2,14] =  0;
  cost[2,3,14] =  28;
  cost[2,4,14] =  191;
  cost[2,5,14] =  112;
  cost[2,6,14] =  252;
  cost[2,7,14] =  113;
  cost[2,8,14] =  249;
  cost[2,9,14] =  273;
  cost[2,10,14] =  182;
  cost[2,11,14] =  304;
  cost[2,12,14] =  186;
  cost[2,13,14] =  166;
  cost[2,14,14] =  84;
  cost[2,15,14] =  176;
  cost[2,16,14] =  69;
  cost[2,17,14] =  81;
  cost[3,0,14] =  148;
  cost[3,1,14] =  157;
  cost[3,2,14] =  28;
  cost[3,3,14] =  0;
  cost[3,4,14] =  154;
  cost[3,5,14] =  184;
  cost[3,6,14] =  43;
  cost[3,7,14] =  100;
  cost[3,8,14] =  252;
  cost[3,9,14] =  206;
  cost[3,10,14] =  66;
  cost[3,11,14] =  278;
  cost[3,12,14] =  278;
  cost[3,13,14] =  310;
  cost[3,14,14] =  314;
  cost[3,15,14] =  255;
  cost[3,16,14] =  182;
  cost[3,17,14] =  175;
  cost[4,0,14] =  277;
  cost[4,1,14] =  85;
  cost[4,2,14] =  191;
  cost[4,3,14] =  154;
  cost[4,4,14] =  0;
  cost[4,5,14] =  211;
  cost[4,6,14] =  42;
  cost[4,7,14] =  297;
  cost[4,8,14] =  140;
  cost[4,9,14] =  155;
  cost[4,10,14] =  223;
  cost[4,11,14] =  89;
  cost[4,12,14] =  14;
  cost[4,13,14] =  203;
  cost[4,14,14] =  276;
  cost[4,15,14] =  180;
  cost[4,16,14] =  288;
  cost[4,17,14] =  128;
  cost[5,0,14] =  156;
  cost[5,1,14] =  102;
  cost[5,2,14] =  112;
  cost[5,3,14] =  184;
  cost[5,4,14] =  211;
  cost[5,5,14] =  0;
  cost[5,6,14] =  45;
  cost[5,7,14] =  139;
  cost[5,8,14] =  80;
  cost[5,9,14] =  230;
  cost[5,10,14] =  182;
  cost[5,11,14] =  181;
  cost[5,12,14] =  159;
  cost[5,13,14] =  64;
  cost[5,14,14] =  247;
  cost[5,15,14] =  113;
  cost[5,16,14] =  19;
  cost[5,17,14] =  234;
  cost[6,0,14] =  6;
  cost[6,1,14] =  32;
  cost[6,2,14] =  252;
  cost[6,3,14] =  43;
  cost[6,4,14] =  42;
  cost[6,5,14] =  45;
  cost[6,6,14] =  0;
  cost[6,7,14] =  274;
  cost[6,8,14] =  93;
  cost[6,9,14] =  280;
  cost[6,10,14] =  135;
  cost[6,11,14] =  304;
  cost[6,12,14] =  322;
  cost[6,13,14] =  109;
  cost[6,14,14] =  121;
  cost[6,15,14] =  154;
  cost[6,16,14] =  8;
  cost[6,17,14] =  210;
  cost[7,0,14] =  182;
  cost[7,1,14] =  269;
  cost[7,2,14] =  113;
  cost[7,3,14] =  100;
  cost[7,4,14] =  297;
  cost[7,5,14] =  139;
  cost[7,6,14] =  274;
  cost[7,7,14] =  0;
  cost[7,8,14] =  211;
  cost[7,9,14] =  163;
  cost[7,10,14] =  26;
  cost[7,11,14] =  175;
  cost[7,12,14] =  291;
  cost[7,13,14] =  275;
  cost[7,14,14] =  221;
  cost[7,15,14] =  107;
  cost[7,16,14] =  32;
  cost[7,17,14] =  127;
  cost[8,0,14] =  224;
  cost[8,1,14] =  68;
  cost[8,2,14] =  249;
  cost[8,3,14] =  252;
  cost[8,4,14] =  140;
  cost[8,5,14] =  80;
  cost[8,6,14] =  93;
  cost[8,7,14] =  211;
  cost[8,8,14] =  0;
  cost[8,9,14] =  213;
  cost[8,10,14] =  286;
  cost[8,11,14] =  30;
  cost[8,12,14] =  137;
  cost[8,13,14] =  76;
  cost[8,14,14] =  49;
  cost[8,15,14] =  48;
  cost[8,16,14] =  181;
  cost[8,17,14] =  0;
  cost[9,0,14] =  245;
  cost[9,1,14] =  163;
  cost[9,2,14] =  273;
  cost[9,3,14] =  206;
  cost[9,4,14] =  155;
  cost[9,5,14] =  230;
  cost[9,6,14] =  280;
  cost[9,7,14] =  163;
  cost[9,8,14] =  213;
  cost[9,9,14] =  0;
  cost[9,10,14] =  137;
  cost[9,11,14] =  135;
  cost[9,12,14] =  122;
  cost[9,13,14] =  136;
  cost[9,14,14] =  244;
  cost[9,15,14] =  244;
  cost[9,16,14] =  290;
  cost[9,17,14] =  252;
  cost[10,0,14] =  137;
  cost[10,1,14] =  290;
  cost[10,2,14] =  182;
  cost[10,3,14] =  66;
  cost[10,4,14] =  223;
  cost[10,5,14] =  182;
  cost[10,6,14] =  135;
  cost[10,7,14] =  26;
  cost[10,8,14] =  286;
  cost[10,9,14] =  137;
  cost[10,10,14] =  0;
  cost[10,11,14] =  135;
  cost[10,12,14] =  140;
  cost[10,13,14] =  293;
  cost[10,14,14] =  162;
  cost[10,15,14] =  316;
  cost[10,16,14] =  261;
  cost[10,17,14] =  113;
  cost[11,0,14] =  20;
  cost[11,1,14] =  25;
  cost[11,2,14] =  304;
  cost[11,3,14] =  278;
  cost[11,4,14] =  89;
  cost[11,5,14] =  181;
  cost[11,6,14] =  304;
  cost[11,7,14] =  175;
  cost[11,8,14] =  30;
  cost[11,9,14] =  135;
  cost[11,10,14] =  135;
  cost[11,11,14] =  0;
  cost[11,12,14] =  44;
  cost[11,13,14] =  146;
  cost[11,14,14] =  17;
  cost[11,15,14] =  10;
  cost[11,16,14] =  36;
  cost[11,17,14] =  304;
  cost[12,0,14] =  69;
  cost[12,1,14] =  72;
  cost[12,2,14] =  186;
  cost[12,3,14] =  278;
  cost[12,4,14] =  14;
  cost[12,5,14] =  159;
  cost[12,6,14] =  322;
  cost[12,7,14] =  291;
  cost[12,8,14] =  137;
  cost[12,9,14] =  122;
  cost[12,10,14] =  140;
  cost[12,11,14] =  44;
  cost[12,12,14] =  0;
  cost[12,13,14] =  174;
  cost[12,14,14] =  56;
  cost[12,15,14] =  90;
  cost[12,16,14] =  222;
  cost[12,17,14] =  238;
  cost[13,0,14] =  54;
  cost[13,1,14] =  243;
  cost[13,2,14] =  166;
  cost[13,3,14] =  310;
  cost[13,4,14] =  203;
  cost[13,5,14] =  64;
  cost[13,6,14] =  109;
  cost[13,7,14] =  275;
  cost[13,8,14] =  76;
  cost[13,9,14] =  136;
  cost[13,10,14] =  293;
  cost[13,11,14] =  146;
  cost[13,12,14] =  174;
  cost[13,13,14] =  0;
  cost[13,14,14] =  40;
  cost[13,15,14] =  51;
  cost[13,16,14] =  226;
  cost[13,17,14] =  163;
  cost[14,0,14] =  237;
  cost[14,1,14] =  36;
  cost[14,2,14] =  84;
  cost[14,3,14] =  314;
  cost[14,4,14] =  276;
  cost[14,5,14] =  247;
  cost[14,6,14] =  121;
  cost[14,7,14] =  221;
  cost[14,8,14] =  49;
  cost[14,9,14] =  244;
  cost[14,10,14] =  162;
  cost[14,11,14] =  17;
  cost[14,12,14] =  56;
  cost[14,13,14] =  40;
  cost[14,14,14] =  0;
  cost[14,15,14] =  147;
  cost[14,16,14] =  83;
  cost[14,17,14] =  154;
  cost[15,0,14] =  307;
  cost[15,1,14] =  300;
  cost[15,2,14] =  176;
  cost[15,3,14] =  255;
  cost[15,4,14] =  180;
  cost[15,5,14] =  113;
  cost[15,6,14] =  154;
  cost[15,7,14] =  107;
  cost[15,8,14] =  48;
  cost[15,9,14] =  244;
  cost[15,10,14] =  316;
  cost[15,11,14] =  10;
  cost[15,12,14] =  90;
  cost[15,13,14] =  51;
  cost[15,14,14] =  147;
  cost[15,15,14] =  0;
  cost[15,16,14] =  214;
  cost[15,17,14] =  290;
  cost[16,0,14] =  104;
  cost[16,1,14] =  196;
  cost[16,2,14] =  69;
  cost[16,3,14] =  182;
  cost[16,4,14] =  288;
  cost[16,5,14] =  19;
  cost[16,6,14] =  8;
  cost[16,7,14] =  32;
  cost[16,8,14] =  181;
  cost[16,9,14] =  290;
  cost[16,10,14] =  261;
  cost[16,11,14] =  36;
  cost[16,12,14] =  222;
  cost[16,13,14] =  226;
  cost[16,14,14] =  83;
  cost[16,15,14] =  214;
  cost[16,16,14] =  0;
  cost[16,17,14] =  184;
  cost[17,0,14] =  314;
  cost[17,1,14] =  184;
  cost[17,2,14] =  81;
  cost[17,3,14] =  175;
  cost[17,4,14] =  128;
  cost[17,5,14] =  234;
  cost[17,6,14] =  210;
  cost[17,7,14] =  127;
  cost[17,8,14] =  0;
  cost[17,9,14] =  252;
  cost[17,10,14] =  113;
  cost[17,11,14] =  304;
  cost[17,12,14] =  238;
  cost[17,13,14] =  163;
  cost[17,14,14] =  154;
  cost[17,15,14] =  290;
  cost[17,16,14] =  184;
  cost[17,17,14] =  0;
  cost[0,0,15] =  0;
  cost[0,1,15] =  122;
  cost[0,2,15] =  242;
  cost[0,3,15] =  98;
  cost[0,4,15] =  167;
  cost[0,5,15] =  65;
  cost[0,6,15] =  116;
  cost[0,7,15] =  177;
  cost[0,8,15] =  101;
  cost[0,9,15] =  96;
  cost[0,10,15] =  218;
  cost[0,11,15] =  276;
  cost[0,12,15] =  153;
  cost[0,13,15] =  309;
  cost[0,14,15] =  175;
  cost[0,15,15] =  67;
  cost[0,16,15] =  76;
  cost[0,17,15] =  215;
  cost[1,0,15] =  122;
  cost[1,1,15] =  0;
  cost[1,2,15] =  303;
  cost[1,3,15] =  55;
  cost[1,4,15] =  306;
  cost[1,5,15] =  126;
  cost[1,6,15] =  138;
  cost[1,7,15] =  136;
  cost[1,8,15] =  203;
  cost[1,9,15] =  29;
  cost[1,10,15] =  103;
  cost[1,11,15] =  96;
  cost[1,12,15] =  213;
  cost[1,13,15] =  231;
  cost[1,14,15] =  305;
  cost[1,15,15] =  11;
  cost[1,16,15] =  149;
  cost[1,17,15] =  80;
  cost[2,0,15] =  242;
  cost[2,1,15] =  303;
  cost[2,2,15] =  0;
  cost[2,3,15] =  214;
  cost[2,4,15] =  196;
  cost[2,5,15] =  32;
  cost[2,6,15] =  316;
  cost[2,7,15] =  293;
  cost[2,8,15] =  251;
  cost[2,9,15] =  268;
  cost[2,10,15] =  122;
  cost[2,11,15] =  237;
  cost[2,12,15] =  119;
  cost[2,13,15] =  190;
  cost[2,14,15] =  314;
  cost[2,15,15] =  11;
  cost[2,16,15] =  308;
  cost[2,17,15] =  293;
  cost[3,0,15] =  98;
  cost[3,1,15] =  55;
  cost[3,2,15] =  214;
  cost[3,3,15] =  0;
  cost[3,4,15] =  291;
  cost[3,5,15] =  96;
  cost[3,6,15] =  205;
  cost[3,7,15] =  103;
  cost[3,8,15] =  299;
  cost[3,9,15] =  234;
  cost[3,10,15] =  206;
  cost[3,11,15] =  72;
  cost[3,12,15] =  124;
  cost[3,13,15] =  114;
  cost[3,14,15] =  54;
  cost[3,15,15] =  135;
  cost[3,16,15] =  264;
  cost[3,17,15] =  134;
  cost[4,0,15] =  167;
  cost[4,1,15] =  306;
  cost[4,2,15] =  196;
  cost[4,3,15] =  291;
  cost[4,4,15] =  0;
  cost[4,5,15] =  154;
  cost[4,6,15] =  7;
  cost[4,7,15] =  23;
  cost[4,8,15] =  147;
  cost[4,9,15] =  300;
  cost[4,10,15] =  275;
  cost[4,11,15] =  92;
  cost[4,12,15] =  99;
  cost[4,13,15] =  189;
  cost[4,14,15] =  211;
  cost[4,15,15] =  289;
  cost[4,16,15] =  179;
  cost[4,17,15] =  223;
  cost[5,0,15] =  65;
  cost[5,1,15] =  126;
  cost[5,2,15] =  32;
  cost[5,3,15] =  96;
  cost[5,4,15] =  154;
  cost[5,5,15] =  0;
  cost[5,6,15] =  149;
  cost[5,7,15] =  290;
  cost[5,8,15] =  241;
  cost[5,9,15] =  245;
  cost[5,10,15] =  171;
  cost[5,11,15] =  21;
  cost[5,12,15] =  221;
  cost[5,13,15] =  82;
  cost[5,14,15] =  228;
  cost[5,15,15] =  294;
  cost[5,16,15] =  206;
  cost[5,17,15] =  18;
  cost[6,0,15] =  116;
  cost[6,1,15] =  138;
  cost[6,2,15] =  316;
  cost[6,3,15] =  205;
  cost[6,4,15] =  7;
  cost[6,5,15] =  149;
  cost[6,6,15] =  0;
  cost[6,7,15] =  18;
  cost[6,8,15] =  282;
  cost[6,9,15] =  158;
  cost[6,10,15] =  9;
  cost[6,11,15] =  113;
  cost[6,12,15] =  165;
  cost[6,13,15] =  33;
  cost[6,14,15] =  260;
  cost[6,15,15] =  142;
  cost[6,16,15] =  308;
  cost[6,17,15] =  28;
  cost[7,0,15] =  177;
  cost[7,1,15] =  136;
  cost[7,2,15] =  293;
  cost[7,3,15] =  103;
  cost[7,4,15] =  23;
  cost[7,5,15] =  290;
  cost[7,6,15] =  18;
  cost[7,7,15] =  0;
  cost[7,8,15] =  174;
  cost[7,9,15] =  240;
  cost[7,10,15] =  206;
  cost[7,11,15] =  29;
  cost[7,12,15] =  140;
  cost[7,13,15] =  156;
  cost[7,14,15] =  179;
  cost[7,15,15] =  106;
  cost[7,16,15] =  73;
  cost[7,17,15] =  100;
  cost[8,0,15] =  101;
  cost[8,1,15] =  203;
  cost[8,2,15] =  251;
  cost[8,3,15] =  299;
  cost[8,4,15] =  147;
  cost[8,5,15] =  241;
  cost[8,6,15] =  282;
  cost[8,7,15] =  174;
  cost[8,8,15] =  0;
  cost[8,9,15] =  94;
  cost[8,10,15] =  322;
  cost[8,11,15] =  36;
  cost[8,12,15] =  322;
  cost[8,13,15] =  292;
  cost[8,14,15] =  243;
  cost[8,15,15] =  16;
  cost[8,16,15] =  316;
  cost[8,17,15] =  261;
  cost[9,0,15] =  96;
  cost[9,1,15] =  29;
  cost[9,2,15] =  268;
  cost[9,3,15] =  234;
  cost[9,4,15] =  300;
  cost[9,5,15] =  245;
  cost[9,6,15] =  158;
  cost[9,7,15] =  240;
  cost[9,8,15] =  94;
  cost[9,9,15] =  0;
  cost[9,10,15] =  151;
  cost[9,11,15] =  270;
  cost[9,12,15] =  88;
  cost[9,13,15] =  317;
  cost[9,14,15] =  303;
  cost[9,15,15] =  25;
  cost[9,16,15] =  135;
  cost[9,17,15] =  288;
  cost[10,0,15] =  218;
  cost[10,1,15] =  103;
  cost[10,2,15] =  122;
  cost[10,3,15] =  206;
  cost[10,4,15] =  275;
  cost[10,5,15] =  171;
  cost[10,6,15] =  9;
  cost[10,7,15] =  206;
  cost[10,8,15] =  322;
  cost[10,9,15] =  151;
  cost[10,10,15] =  0;
  cost[10,11,15] =  53;
  cost[10,12,15] =  139;
  cost[10,13,15] =  294;
  cost[10,14,15] =  259;
  cost[10,15,15] =  169;
  cost[10,16,15] =  111;
  cost[10,17,15] =  91;
  cost[11,0,15] =  276;
  cost[11,1,15] =  96;
  cost[11,2,15] =  237;
  cost[11,3,15] =  72;
  cost[11,4,15] =  92;
  cost[11,5,15] =  21;
  cost[11,6,15] =  113;
  cost[11,7,15] =  29;
  cost[11,8,15] =  36;
  cost[11,9,15] =  270;
  cost[11,10,15] =  53;
  cost[11,11,15] =  0;
  cost[11,12,15] =  217;
  cost[11,13,15] =  164;
  cost[11,14,15] =  125;
  cost[11,15,15] =  172;
  cost[11,16,15] =  259;
  cost[11,17,15] =  124;
  cost[12,0,15] =  153;
  cost[12,1,15] =  213;
  cost[12,2,15] =  119;
  cost[12,3,15] =  124;
  cost[12,4,15] =  99;
  cost[12,5,15] =  221;
  cost[12,6,15] =  165;
  cost[12,7,15] =  140;
  cost[12,8,15] =  322;
  cost[12,9,15] =  88;
  cost[12,10,15] =  139;
  cost[12,11,15] =  217;
  cost[12,12,15] =  0;
  cost[12,13,15] =  257;
  cost[12,14,15] =  92;
  cost[12,15,15] =  128;
  cost[12,16,15] =  274;
  cost[12,17,15] =  85;
  cost[13,0,15] =  309;
  cost[13,1,15] =  231;
  cost[13,2,15] =  190;
  cost[13,3,15] =  114;
  cost[13,4,15] =  189;
  cost[13,5,15] =  82;
  cost[13,6,15] =  33;
  cost[13,7,15] =  156;
  cost[13,8,15] =  292;
  cost[13,9,15] =  317;
  cost[13,10,15] =  294;
  cost[13,11,15] =  164;
  cost[13,12,15] =  257;
  cost[13,13,15] =  0;
  cost[13,14,15] =  250;
  cost[13,15,15] =  237;
  cost[13,16,15] =  12;
  cost[13,17,15] =  14;
  cost[14,0,15] =  175;
  cost[14,1,15] =  305;
  cost[14,2,15] =  314;
  cost[14,3,15] =  54;
  cost[14,4,15] =  211;
  cost[14,5,15] =  228;
  cost[14,6,15] =  260;
  cost[14,7,15] =  179;
  cost[14,8,15] =  243;
  cost[14,9,15] =  303;
  cost[14,10,15] =  259;
  cost[14,11,15] =  125;
  cost[14,12,15] =  92;
  cost[14,13,15] =  250;
  cost[14,14,15] =  0;
  cost[14,15,15] =  316;
  cost[14,16,15] =  40;
  cost[14,17,15] =  42;
  cost[15,0,15] =  67;
  cost[15,1,15] =  11;
  cost[15,2,15] =  11;
  cost[15,3,15] =  135;
  cost[15,4,15] =  289;
  cost[15,5,15] =  294;
  cost[15,6,15] =  142;
  cost[15,7,15] =  106;
  cost[15,8,15] =  16;
  cost[15,9,15] =  25;
  cost[15,10,15] =  169;
  cost[15,11,15] =  172;
  cost[15,12,15] =  128;
  cost[15,13,15] =  237;
  cost[15,14,15] =  316;
  cost[15,15,15] =  0;
  cost[15,16,15] =  94;
  cost[15,17,15] =  95;
  cost[16,0,15] =  76;
  cost[16,1,15] =  149;
  cost[16,2,15] =  308;
  cost[16,3,15] =  264;
  cost[16,4,15] =  179;
  cost[16,5,15] =  206;
  cost[16,6,15] =  308;
  cost[16,7,15] =  73;
  cost[16,8,15] =  316;
  cost[16,9,15] =  135;
  cost[16,10,15] =  111;
  cost[16,11,15] =  259;
  cost[16,12,15] =  274;
  cost[16,13,15] =  12;
  cost[16,14,15] =  40;
  cost[16,15,15] =  94;
  cost[16,16,15] =  0;
  cost[16,17,15] =  65;
  cost[17,0,15] =  215;
  cost[17,1,15] =  80;
  cost[17,2,15] =  293;
  cost[17,3,15] =  134;
  cost[17,4,15] =  223;
  cost[17,5,15] =  18;
  cost[17,6,15] =  28;
  cost[17,7,15] =  100;
  cost[17,8,15] =  261;
  cost[17,9,15] =  288;
  cost[17,10,15] =  91;
  cost[17,11,15] =  124;
  cost[17,12,15] =  85;
  cost[17,13,15] =  14;
  cost[17,14,15] =  42;
  cost[17,15,15] =  95;
  cost[17,16,15] =  65;
  cost[17,17,15] =  0;
  cost[0,0,16] =  0;
  cost[0,1,16] =  176;
  cost[0,2,16] =  122;
  cost[0,3,16] =  289;
  cost[0,4,16] =  70;
  cost[0,5,16] =  287;
  cost[0,6,16] =  91;
  cost[0,7,16] =  242;
  cost[0,8,16] =  222;
  cost[0,9,16] =  215;
  cost[0,10,16] =  127;
  cost[0,11,16] =  156;
  cost[0,12,16] =  308;
  cost[0,13,16] =  256;
  cost[0,14,16] =  106;
  cost[0,15,16] =  69;
  cost[0,16,16] =  321;
  cost[0,17,16] =  33;
  cost[1,0,16] =  176;
  cost[1,1,16] =  0;
  cost[1,2,16] =  9;
  cost[1,3,16] =  47;
  cost[1,4,16] =  214;
  cost[1,5,16] =  1;
  cost[1,6,16] =  87;
  cost[1,7,16] =  256;
  cost[1,8,16] =  282;
  cost[1,9,16] =  182;
  cost[1,10,16] =  28;
  cost[1,11,16] =  54;
  cost[1,12,16] =  247;
  cost[1,13,16] =  58;
  cost[1,14,16] =  320;
  cost[1,15,16] =  99;
  cost[1,16,16] =  181;
  cost[1,17,16] =  286;
  cost[2,0,16] =  122;
  cost[2,1,16] =  9;
  cost[2,2,16] =  0;
  cost[2,3,16] =  144;
  cost[2,4,16] =  53;
  cost[2,5,16] =  88;
  cost[2,6,16] =  43;
  cost[2,7,16] =  268;
  cost[2,8,16] =  216;
  cost[2,9,16] =  199;
  cost[2,10,16] =  252;
  cost[2,11,16] =  148;
  cost[2,12,16] =  306;
  cost[2,13,16] =  322;
  cost[2,14,16] =  146;
  cost[2,15,16] =  15;
  cost[2,16,16] =  305;
  cost[2,17,16] =  156;
  cost[3,0,16] =  289;
  cost[3,1,16] =  47;
  cost[3,2,16] =  144;
  cost[3,3,16] =  0;
  cost[3,4,16] =  195;
  cost[3,5,16] =  158;
  cost[3,6,16] =  151;
  cost[3,7,16] =  128;
  cost[3,8,16] =  117;
  cost[3,9,16] =  9;
  cost[3,10,16] =  156;
  cost[3,11,16] =  172;
  cost[3,12,16] =  256;
  cost[3,13,16] =  215;
  cost[3,14,16] =  168;
  cost[3,15,16] =  32;
  cost[3,16,16] =  72;
  cost[3,17,16] =  130;
  cost[4,0,16] =  70;
  cost[4,1,16] =  214;
  cost[4,2,16] =  53;
  cost[4,3,16] =  195;
  cost[4,4,16] =  0;
  cost[4,5,16] =  217;
  cost[4,6,16] =  183;
  cost[4,7,16] =  291;
  cost[4,8,16] =  260;
  cost[4,9,16] =  128;
  cost[4,10,16] =  183;
  cost[4,11,16] =  136;
  cost[4,12,16] =  56;
  cost[4,13,16] =  8;
  cost[4,14,16] =  118;
  cost[4,15,16] =  55;
  cost[4,16,16] =  155;
  cost[4,17,16] =  134;
  cost[5,0,16] =  287;
  cost[5,1,16] =  1;
  cost[5,2,16] =  88;
  cost[5,3,16] =  158;
  cost[5,4,16] =  217;
  cost[5,5,16] =  0;
  cost[5,6,16] =  311;
  cost[5,7,16] =  198;
  cost[5,8,16] =  232;
  cost[5,9,16] =  146;
  cost[5,10,16] =  25;
  cost[5,11,16] =  36;
  cost[5,12,16] =  263;
  cost[5,13,16] =  34;
  cost[5,14,16] =  193;
  cost[5,15,16] =  111;
  cost[5,16,16] =  291;
  cost[5,17,16] =  84;
  cost[6,0,16] =  91;
  cost[6,1,16] =  87;
  cost[6,2,16] =  43;
  cost[6,3,16] =  151;
  cost[6,4,16] =  183;
  cost[6,5,16] =  311;
  cost[6,6,16] =  0;
  cost[6,7,16] =  323;
  cost[6,8,16] =  157;
  cost[6,9,16] =  86;
  cost[6,10,16] =  201;
  cost[6,11,16] =  50;
  cost[6,12,16] =  270;
  cost[6,13,16] =  168;
  cost[6,14,16] =  311;
  cost[6,15,16] =  74;
  cost[6,16,16] =  28;
  cost[6,17,16] =  123;
  cost[7,0,16] =  242;
  cost[7,1,16] =  256;
  cost[7,2,16] =  268;
  cost[7,3,16] =  128;
  cost[7,4,16] =  291;
  cost[7,5,16] =  198;
  cost[7,6,16] =  323;
  cost[7,7,16] =  0;
  cost[7,8,16] =  37;
  cost[7,9,16] =  242;
  cost[7,10,16] =  186;
  cost[7,11,16] =  192;
  cost[7,12,16] =  53;
  cost[7,13,16] =  223;
  cost[7,14,16] =  180;
  cost[7,15,16] =  251;
  cost[7,16,16] =  132;
  cost[7,17,16] =  2;
  cost[8,0,16] =  222;
  cost[8,1,16] =  282;
  cost[8,2,16] =  216;
  cost[8,3,16] =  117;
  cost[8,4,16] =  260;
  cost[8,5,16] =  232;
  cost[8,6,16] =  157;
  cost[8,7,16] =  37;
  cost[8,8,16] =  0;
  cost[8,9,16] =  169;
  cost[8,10,16] =  266;
  cost[8,11,16] =  311;
  cost[8,12,16] =  38;
  cost[8,13,16] =  53;
  cost[8,14,16] =  278;
  cost[8,15,16] =  123;
  cost[8,16,16] =  9;
  cost[8,17,16] =  277;
  cost[9,0,16] =  215;
  cost[9,1,16] =  182;
  cost[9,2,16] =  199;
  cost[9,3,16] =  9;
  cost[9,4,16] =  128;
  cost[9,5,16] =  146;
  cost[9,6,16] =  86;
  cost[9,7,16] =  242;
  cost[9,8,16] =  169;
  cost[9,9,16] =  0;
  cost[9,10,16] =  96;
  cost[9,11,16] =  155;
  cost[9,12,16] =  7;
  cost[9,13,16] =  42;
  cost[9,14,16] =  323;
  cost[9,15,16] =  318;
  cost[9,16,16] =  117;
  cost[9,17,16] =  28;
  cost[10,0,16] =  127;
  cost[10,1,16] =  28;
  cost[10,2,16] =  252;
  cost[10,3,16] =  156;
  cost[10,4,16] =  183;
  cost[10,5,16] =  25;
  cost[10,6,16] =  201;
  cost[10,7,16] =  186;
  cost[10,8,16] =  266;
  cost[10,9,16] =  96;
  cost[10,10,16] =  0;
  cost[10,11,16] =  248;
  cost[10,12,16] =  65;
  cost[10,13,16] =  36;
  cost[10,14,16] =  111;
  cost[10,15,16] =  258;
  cost[10,16,16] =  90;
  cost[10,17,16] =  11;
  cost[11,0,16] =  156;
  cost[11,1,16] =  54;
  cost[11,2,16] =  148;
  cost[11,3,16] =  172;
  cost[11,4,16] =  136;
  cost[11,5,16] =  36;
  cost[11,6,16] =  50;
  cost[11,7,16] =  192;
  cost[11,8,16] =  311;
  cost[11,9,16] =  155;
  cost[11,10,16] =  248;
  cost[11,11,16] =  0;
  cost[11,12,16] =  17;
  cost[11,13,16] =  143;
  cost[11,14,16] =  118;
  cost[11,15,16] =  293;
  cost[11,16,16] =  313;
  cost[11,17,16] =  60;
  cost[12,0,16] =  308;
  cost[12,1,16] =  247;
  cost[12,2,16] =  306;
  cost[12,3,16] =  256;
  cost[12,4,16] =  56;
  cost[12,5,16] =  263;
  cost[12,6,16] =  270;
  cost[12,7,16] =  53;
  cost[12,8,16] =  38;
  cost[12,9,16] =  7;
  cost[12,10,16] =  65;
  cost[12,11,16] =  17;
  cost[12,12,16] =  0;
  cost[12,13,16] =  28;
  cost[12,14,16] =  114;
  cost[12,15,16] =  235;
  cost[12,16,16] =  151;
  cost[12,17,16] =  123;
  cost[13,0,16] =  256;
  cost[13,1,16] =  58;
  cost[13,2,16] =  322;
  cost[13,3,16] =  215;
  cost[13,4,16] =  8;
  cost[13,5,16] =  34;
  cost[13,6,16] =  168;
  cost[13,7,16] =  223;
  cost[13,8,16] =  53;
  cost[13,9,16] =  42;
  cost[13,10,16] =  36;
  cost[13,11,16] =  143;
  cost[13,12,16] =  28;
  cost[13,13,16] =  0;
  cost[13,14,16] =  107;
  cost[13,15,16] =  220;
  cost[13,16,16] =  20;
  cost[13,17,16] =  115;
  cost[14,0,16] =  106;
  cost[14,1,16] =  320;
  cost[14,2,16] =  146;
  cost[14,3,16] =  168;
  cost[14,4,16] =  118;
  cost[14,5,16] =  193;
  cost[14,6,16] =  311;
  cost[14,7,16] =  180;
  cost[14,8,16] =  278;
  cost[14,9,16] =  323;
  cost[14,10,16] =  111;
  cost[14,11,16] =  118;
  cost[14,12,16] =  114;
  cost[14,13,16] =  107;
  cost[14,14,16] =  0;
  cost[14,15,16] =  20;
  cost[14,16,16] =  109;
  cost[14,17,16] =  55;
  cost[15,0,16] =  69;
  cost[15,1,16] =  99;
  cost[15,2,16] =  15;
  cost[15,3,16] =  32;
  cost[15,4,16] =  55;
  cost[15,5,16] =  111;
  cost[15,6,16] =  74;
  cost[15,7,16] =  251;
  cost[15,8,16] =  123;
  cost[15,9,16] =  318;
  cost[15,10,16] =  258;
  cost[15,11,16] =  293;
  cost[15,12,16] =  235;
  cost[15,13,16] =  220;
  cost[15,14,16] =  20;
  cost[15,15,16] =  0;
  cost[15,16,16] =  227;
  cost[15,17,16] =  303;
  cost[16,0,16] =  321;
  cost[16,1,16] =  181;
  cost[16,2,16] =  305;
  cost[16,3,16] =  72;
  cost[16,4,16] =  155;
  cost[16,5,16] =  291;
  cost[16,6,16] =  28;
  cost[16,7,16] =  132;
  cost[16,8,16] =  9;
  cost[16,9,16] =  117;
  cost[16,10,16] =  90;
  cost[16,11,16] =  313;
  cost[16,12,16] =  151;
  cost[16,13,16] =  20;
  cost[16,14,16] =  109;
  cost[16,15,16] =  227;
  cost[16,16,16] =  0;
  cost[16,17,16] =  264;
  cost[17,0,16] =  33;
  cost[17,1,16] =  286;
  cost[17,2,16] =  156;
  cost[17,3,16] =  130;
  cost[17,4,16] =  134;
  cost[17,5,16] =  84;
  cost[17,6,16] =  123;
  cost[17,7,16] =  2;
  cost[17,8,16] =  277;
  cost[17,9,16] =  28;
  cost[17,10,16] =  11;
  cost[17,11,16] =  60;
  cost[17,12,16] =  123;
  cost[17,13,16] =  115;
  cost[17,14,16] =  55;
  cost[17,15,16] =  303;
  cost[17,16,16] =  264;
  cost[17,17,16] =  0;
  cost[0,0,17] =  0;
  cost[0,1,17] =  30;
  cost[0,2,17] =  102;
  cost[0,3,17] =  164;
  cost[0,4,17] =  47;
  cost[0,5,17] =  246;
  cost[0,6,17] =  282;
  cost[0,7,17] =  17;
  cost[0,8,17] =  235;
  cost[0,9,17] =  19;
  cost[0,10,17] =  299;
  cost[0,11,17] =  263;
  cost[0,12,17] =  133;
  cost[0,13,17] =  210;
  cost[0,14,17] =  90;
  cost[0,15,17] =  257;
  cost[0,16,17] =  76;
  cost[0,17,17] =  198;
  cost[1,0,17] =  30;
  cost[1,1,17] =  0;
  cost[1,2,17] =  96;
  cost[1,3,17] =  313;
  cost[1,4,17] =  92;
  cost[1,5,17] =  117;
  cost[1,6,17] =  99;
  cost[1,7,17] =  147;
  cost[1,8,17] =  166;
  cost[1,9,17] =  3;
  cost[1,10,17] =  127;
  cost[1,11,17] =  280;
  cost[1,12,17] =  268;
  cost[1,13,17] =  218;
  cost[1,14,17] =  6;
  cost[1,15,17] =  298;
  cost[1,16,17] =  321;
  cost[1,17,17] =  171;
  cost[2,0,17] =  102;
  cost[2,1,17] =  96;
  cost[2,2,17] =  0;
  cost[2,3,17] =  243;
  cost[2,4,17] =  130;
  cost[2,5,17] =  40;
  cost[2,6,17] =  154;
  cost[2,7,17] =  149;
  cost[2,8,17] =  15;
  cost[2,9,17] =  94;
  cost[2,10,17] =  282;
  cost[2,11,17] =  226;
  cost[2,12,17] =  185;
  cost[2,13,17] =  216;
  cost[2,14,17] =  302;
  cost[2,15,17] =  60;
  cost[2,16,17] =  46;
  cost[2,17,17] =  75;
  cost[3,0,17] =  164;
  cost[3,1,17] =  313;
  cost[3,2,17] =  243;
  cost[3,3,17] =  0;
  cost[3,4,17] =  138;
  cost[3,5,17] =  192;
  cost[3,6,17] =  149;
  cost[3,7,17] =  285;
  cost[3,8,17] =  34;
  cost[3,9,17] =  153;
  cost[3,10,17] =  89;
  cost[3,11,17] =  315;
  cost[3,12,17] =  97;
  cost[3,13,17] =  308;
  cost[3,14,17] =  322;
  cost[3,15,17] =  71;
  cost[3,16,17] =  305;
  cost[3,17,17] =  169;
  cost[4,0,17] =  47;
  cost[4,1,17] =  92;
  cost[4,2,17] =  130;
  cost[4,3,17] =  138;
  cost[4,4,17] =  0;
  cost[4,5,17] =  225;
  cost[4,6,17] =  299;
  cost[4,7,17] =  135;
  cost[4,8,17] =  56;
  cost[4,9,17] =  124;
  cost[4,10,17] =  150;
  cost[4,11,17] =  150;
  cost[4,12,17] =  83;
  cost[4,13,17] =  53;
  cost[4,14,17] =  11;
  cost[4,15,17] =  300;
  cost[4,16,17] =  32;
  cost[4,17,17] =  71;
  cost[5,0,17] =  246;
  cost[5,1,17] =  117;
  cost[5,2,17] =  40;
  cost[5,3,17] =  192;
  cost[5,4,17] =  225;
  cost[5,5,17] =  0;
  cost[5,6,17] =  107;
  cost[5,7,17] =  121;
  cost[5,8,17] =  160;
  cost[5,9,17] =  300;
  cost[5,10,17] =  271;
  cost[5,11,17] =  122;
  cost[5,12,17] =  11;
  cost[5,13,17] =  100;
  cost[5,14,17] =  211;
  cost[5,15,17] =  3;
  cost[5,16,17] =  197;
  cost[5,17,17] =  196;
  cost[6,0,17] =  282;
  cost[6,1,17] =  99;
  cost[6,2,17] =  154;
  cost[6,3,17] =  149;
  cost[6,4,17] =  299;
  cost[6,5,17] =  107;
  cost[6,6,17] =  0;
  cost[6,7,17] =  269;
  cost[6,8,17] =  177;
  cost[6,9,17] =  170;
  cost[6,10,17] =  39;
  cost[6,11,17] =  79;
  cost[6,12,17] =  145;
  cost[6,13,17] =  174;
  cost[6,14,17] =  135;
  cost[6,15,17] =  270;
  cost[6,16,17] =  1;
  cost[6,17,17] =  285;
  cost[7,0,17] =  17;
  cost[7,1,17] =  147;
  cost[7,2,17] =  149;
  cost[7,3,17] =  285;
  cost[7,4,17] =  135;
  cost[7,5,17] =  121;
  cost[7,6,17] =  269;
  cost[7,7,17] =  0;
  cost[7,8,17] =  54;
  cost[7,9,17] =  297;
  cost[7,10,17] =  6;
  cost[7,11,17] =  87;
  cost[7,12,17] =  44;
  cost[7,13,17] =  28;
  cost[7,14,17] =  194;
  cost[7,15,17] =  166;
  cost[7,16,17] =  189;
  cost[7,17,17] =  170;
  cost[8,0,17] =  235;
  cost[8,1,17] =  166;
  cost[8,2,17] =  15;
  cost[8,3,17] =  34;
  cost[8,4,17] =  56;
  cost[8,5,17] =  160;
  cost[8,6,17] =  177;
  cost[8,7,17] =  54;
  cost[8,8,17] =  0;
  cost[8,9,17] =  311;
  cost[8,10,17] =  181;
  cost[8,11,17] =  214;
  cost[8,12,17] =  199;
  cost[8,13,17] =  185;
  cost[8,14,17] =  87;
  cost[8,15,17] =  71;
  cost[8,16,17] =  186;
  cost[8,17,17] =  33;
  cost[9,0,17] =  19;
  cost[9,1,17] =  3;
  cost[9,2,17] =  94;
  cost[9,3,17] =  153;
  cost[9,4,17] =  124;
  cost[9,5,17] =  300;
  cost[9,6,17] =  170;
  cost[9,7,17] =  297;
  cost[9,8,17] =  311;
  cost[9,9,17] =  0;
  cost[9,10,17] =  32;
  cost[9,11,17] =  73;
  cost[9,12,17] =  4;
  cost[9,13,17] =  178;
  cost[9,14,17] =  247;
  cost[9,15,17] =  140;
  cost[9,16,17] =  125;
  cost[9,17,17] =  249;
  cost[10,0,17] =  299;
  cost[10,1,17] =  127;
  cost[10,2,17] =  282;
  cost[10,3,17] =  89;
  cost[10,4,17] =  150;
  cost[10,5,17] =  271;
  cost[10,6,17] =  39;
  cost[10,7,17] =  6;
  cost[10,8,17] =  181;
  cost[10,9,17] =  32;
  cost[10,10,17] =  0;
  cost[10,11,17] =  155;
  cost[10,12,17] =  304;
  cost[10,13,17] =  74;
  cost[10,14,17] =  162;
  cost[10,15,17] =  67;
  cost[10,16,17] =  119;
  cost[10,17,17] =  191;
  cost[11,0,17] =  263;
  cost[11,1,17] =  280;
  cost[11,2,17] =  226;
  cost[11,3,17] =  315;
  cost[11,4,17] =  150;
  cost[11,5,17] =  122;
  cost[11,6,17] =  79;
  cost[11,7,17] =  87;
  cost[11,8,17] =  214;
  cost[11,9,17] =  73;
  cost[11,10,17] =  155;
  cost[11,11,17] =  0;
  cost[11,12,17] =  286;
  cost[11,13,17] =  56;
  cost[11,14,17] =  108;
  cost[11,15,17] =  76;
  cost[11,16,17] =  44;
  cost[11,17,17] =  290;
  cost[12,0,17] =  133;
  cost[12,1,17] =  268;
  cost[12,2,17] =  185;
  cost[12,3,17] =  97;
  cost[12,4,17] =  83;
  cost[12,5,17] =  11;
  cost[12,6,17] =  145;
  cost[12,7,17] =  44;
  cost[12,8,17] =  199;
  cost[12,9,17] =  4;
  cost[12,10,17] =  304;
  cost[12,11,17] =  286;
  cost[12,12,17] =  0;
  cost[12,13,17] =  243;
  cost[12,14,17] =  151;
  cost[12,15,17] =  54;
  cost[12,16,17] =  315;
  cost[12,17,17] =  14;
  cost[13,0,17] =  210;
  cost[13,1,17] =  218;
  cost[13,2,17] =  216;
  cost[13,3,17] =  308;
  cost[13,4,17] =  53;
  cost[13,5,17] =  100;
  cost[13,6,17] =  174;
  cost[13,7,17] =  28;
  cost[13,8,17] =  185;
  cost[13,9,17] =  178;
  cost[13,10,17] =  74;
  cost[13,11,17] =  56;
  cost[13,12,17] =  243;
  cost[13,13,17] =  0;
  cost[13,14,17] =  241;
  cost[13,15,17] =  46;
  cost[13,16,17] =  160;
  cost[13,17,17] =  246;
  cost[14,0,17] =  90;
  cost[14,1,17] =  6;
  cost[14,2,17] =  302;
  cost[14,3,17] =  322;
  cost[14,4,17] =  11;
  cost[14,5,17] =  211;
  cost[14,6,17] =  135;
  cost[14,7,17] =  194;
  cost[14,8,17] =  87;
  cost[14,9,17] =  247;
  cost[14,10,17] =  162;
  cost[14,11,17] =  108;
  cost[14,12,17] =  151;
  cost[14,13,17] =  241;
  cost[14,14,17] =  0;
  cost[14,15,17] =  84;
  cost[14,16,17] =  62;
  cost[14,17,17] =  27;
  cost[15,0,17] =  257;
  cost[15,1,17] =  298;
  cost[15,2,17] =  60;
  cost[15,3,17] =  71;
  cost[15,4,17] =  300;
  cost[15,5,17] =  3;
  cost[15,6,17] =  270;
  cost[15,7,17] =  166;
  cost[15,8,17] =  71;
  cost[15,9,17] =  140;
  cost[15,10,17] =  67;
  cost[15,11,17] =  76;
  cost[15,12,17] =  54;
  cost[15,13,17] =  46;
  cost[15,14,17] =  84;
  cost[15,15,17] =  0;
  cost[15,16,17] =  164;
  cost[15,17,17] =  182;
  cost[16,0,17] =  76;
  cost[16,1,17] =  321;
  cost[16,2,17] =  46;
  cost[16,3,17] =  305;
  cost[16,4,17] =  32;
  cost[16,5,17] =  197;
  cost[16,6,17] =  1;
  cost[16,7,17] =  189;
  cost[16,8,17] =  186;
  cost[16,9,17] =  125;
  cost[16,10,17] =  119;
  cost[16,11,17] =  44;
  cost[16,12,17] =  315;
  cost[16,13,17] =  160;
  cost[16,14,17] =  62;
  cost[16,15,17] =  164;
  cost[16,16,17] =  0;
  cost[16,17,17] =  239;
  cost[17,0,17] =  198;
  cost[17,1,17] =  171;
  cost[17,2,17] =  75;
  cost[17,3,17] =  169;
  cost[17,4,17] =  71;
  cost[17,5,17] =  196;
  cost[17,6,17] =  285;
  cost[17,7,17] =  170;
  cost[17,8,17] =  33;
  cost[17,9,17] =  249;
  cost[17,10,17] =  191;
  cost[17,11,17] =  290;
  cost[17,12,17] =  14;
  cost[17,13,17] =  246;
  cost[17,14,17] =  27;
  cost[17,15,17] =  182;
  cost[17,16,17] =  239;
  cost[17,17,17] =  0;
  cost[0,0,18] =  0;
  cost[0,1,18] =  34;
  cost[0,2,18] =  212;
  cost[0,3,18] =  319;
  cost[0,4,18] =  321;
  cost[0,5,18] =  269;
  cost[0,6,18] =  104;
  cost[0,7,18] =  73;
  cost[0,8,18] =  313;
  cost[0,9,18] =  71;
  cost[0,10,18] =  40;
  cost[0,11,18] =  233;
  cost[0,12,18] =  223;
  cost[0,13,18] =  94;
  cost[0,14,18] =  225;
  cost[0,15,18] =  237;
  cost[0,16,18] =  182;
  cost[0,17,18] =  142;
  cost[1,0,18] =  34;
  cost[1,1,18] =  0;
  cost[1,2,18] =  19;
  cost[1,3,18] =  64;
  cost[1,4,18] =  185;
  cost[1,5,18] =  103;
  cost[1,6,18] =  127;
  cost[1,7,18] =  212;
  cost[1,8,18] =  113;
  cost[1,9,18] =  291;
  cost[1,10,18] =  71;
  cost[1,11,18] =  104;
  cost[1,12,18] =  206;
  cost[1,13,18] =  92;
  cost[1,14,18] =  161;
  cost[1,15,18] =  241;
  cost[1,16,18] =  305;
  cost[1,17,18] =  157;
  cost[2,0,18] =  212;
  cost[2,1,18] =  19;
  cost[2,2,18] =  0;
  cost[2,3,18] =  250;
  cost[2,4,18] =  262;
  cost[2,5,18] =  311;
  cost[2,6,18] =  240;
  cost[2,7,18] =  9;
  cost[2,8,18] =  28;
  cost[2,9,18] =  149;
  cost[2,10,18] =  232;
  cost[2,11,18] =  122;
  cost[2,12,18] =  50;
  cost[2,13,18] =  145;
  cost[2,14,18] =  305;
  cost[2,15,18] =  193;
  cost[2,16,18] =  105;
  cost[2,17,18] =  0;
  cost[3,0,18] =  319;
  cost[3,1,18] =  64;
  cost[3,2,18] =  250;
  cost[3,3,18] =  0;
  cost[3,4,18] =  291;
  cost[3,5,18] =  103;
  cost[3,6,18] =  61;
  cost[3,7,18] =  180;
  cost[3,8,18] =  217;
  cost[3,9,18] =  29;
  cost[3,10,18] =  252;
  cost[3,11,18] =  321;
  cost[3,12,18] =  235;
  cost[3,13,18] =  21;
  cost[3,14,18] =  159;
  cost[3,15,18] =  152;
  cost[3,16,18] =  2;
  cost[3,17,18] =  317;
  cost[4,0,18] =  321;
  cost[4,1,18] =  185;
  cost[4,2,18] =  262;
  cost[4,3,18] =  291;
  cost[4,4,18] =  0;
  cost[4,5,18] =  253;
  cost[4,6,18] =  255;
  cost[4,7,18] =  55;
  cost[4,8,18] =  169;
  cost[4,9,18] =  265;
  cost[4,10,18] =  83;
  cost[4,11,18] =  318;
  cost[4,12,18] =  174;
  cost[4,13,18] =  206;
  cost[4,14,18] =  45;
  cost[4,15,18] =  319;
  cost[4,16,18] =  187;
  cost[4,17,18] =  239;
  cost[5,0,18] =  269;
  cost[5,1,18] =  103;
  cost[5,2,18] =  311;
  cost[5,3,18] =  103;
  cost[5,4,18] =  253;
  cost[5,5,18] =  0;
  cost[5,6,18] =  187;
  cost[5,7,18] =  173;
  cost[5,8,18] =  69;
  cost[5,9,18] =  291;
  cost[5,10,18] =  235;
  cost[5,11,18] =  249;
  cost[5,12,18] =  185;
  cost[5,13,18] =  264;
  cost[5,14,18] =  178;
  cost[5,15,18] =  183;
  cost[5,16,18] =  175;
  cost[5,17,18] =  199;
  cost[6,0,18] =  104;
  cost[6,1,18] =  127;
  cost[6,2,18] =  240;
  cost[6,3,18] =  61;
  cost[6,4,18] =  255;
  cost[6,5,18] =  187;
  cost[6,6,18] =  0;
  cost[6,7,18] =  4;
  cost[6,8,18] =  201;
  cost[6,9,18] =  12;
  cost[6,10,18] =  71;
  cost[6,11,18] =  130;
  cost[6,12,18] =  268;
  cost[6,13,18] =  127;
  cost[6,14,18] =  299;
  cost[6,15,18] =  210;
  cost[6,16,18] =  210;
  cost[6,17,18] =  294;
  cost[7,0,18] =  73;
  cost[7,1,18] =  212;
  cost[7,2,18] =  9;
  cost[7,3,18] =  180;
  cost[7,4,18] =  55;
  cost[7,5,18] =  173;
  cost[7,6,18] =  4;
  cost[7,7,18] =  0;
  cost[7,8,18] =  92;
  cost[7,9,18] =  16;
  cost[7,10,18] =  56;
  cost[7,11,18] =  279;
  cost[7,12,18] =  255;
  cost[7,13,18] =  158;
  cost[7,14,18] =  143;
  cost[7,15,18] =  105;
  cost[7,16,18] =  227;
  cost[7,17,18] =  110;
  cost[8,0,18] =  313;
  cost[8,1,18] =  113;
  cost[8,2,18] =  28;
  cost[8,3,18] =  217;
  cost[8,4,18] =  169;
  cost[8,5,18] =  69;
  cost[8,6,18] =  201;
  cost[8,7,18] =  92;
  cost[8,8,18] =  0;
  cost[8,9,18] =  153;
  cost[8,10,18] =  296;
  cost[8,11,18] =  280;
  cost[8,12,18] =  7;
  cost[8,13,18] =  155;
  cost[8,14,18] =  132;
  cost[8,15,18] =  206;
  cost[8,16,18] =  174;
  cost[8,17,18] =  136;
  cost[9,0,18] =  71;
  cost[9,1,18] =  291;
  cost[9,2,18] =  149;
  cost[9,3,18] =  29;
  cost[9,4,18] =  265;
  cost[9,5,18] =  291;
  cost[9,6,18] =  12;
  cost[9,7,18] =  16;
  cost[9,8,18] =  153;
  cost[9,9,18] =  0;
  cost[9,10,18] =  187;
  cost[9,11,18] =  208;
  cost[9,12,18] =  214;
  cost[9,13,18] =  131;
  cost[9,14,18] =  11;
  cost[9,15,18] =  190;
  cost[9,16,18] =  17;
  cost[9,17,18] =  221;
  cost[10,0,18] =  40;
  cost[10,1,18] =  71;
  cost[10,2,18] =  232;
  cost[10,3,18] =  252;
  cost[10,4,18] =  83;
  cost[10,5,18] =  235;
  cost[10,6,18] =  71;
  cost[10,7,18] =  56;
  cost[10,8,18] =  296;
  cost[10,9,18] =  187;
  cost[10,10,18] =  0;
  cost[10,11,18] =  77;
  cost[10,12,18] =  314;
  cost[10,13,18] =  178;
  cost[10,14,18] =  134;
  cost[10,15,18] =  270;
  cost[10,16,18] =  110;
  cost[10,17,18] =  292;
  cost[11,0,18] =  233;
  cost[11,1,18] =  104;
  cost[11,2,18] =  122;
  cost[11,3,18] =  321;
  cost[11,4,18] =  318;
  cost[11,5,18] =  249;
  cost[11,6,18] =  130;
  cost[11,7,18] =  279;
  cost[11,8,18] =  280;
  cost[11,9,18] =  208;
  cost[11,10,18] =  77;
  cost[11,11,18] =  0;
  cost[11,12,18] =  215;
  cost[11,13,18] =  195;
  cost[11,14,18] =  200;
  cost[11,15,18] =  231;
  cost[11,16,18] =  25;
  cost[11,17,18] =  173;
  cost[12,0,18] =  223;
  cost[12,1,18] =  206;
  cost[12,2,18] =  50;
  cost[12,3,18] =  235;
  cost[12,4,18] =  174;
  cost[12,5,18] =  185;
  cost[12,6,18] =  268;
  cost[12,7,18] =  255;
  cost[12,8,18] =  7;
  cost[12,9,18] =  214;
  cost[12,10,18] =  314;
  cost[12,11,18] =  215;
  cost[12,12,18] =  0;
  cost[12,13,18] =  32;
  cost[12,14,18] =  4;
  cost[12,15,18] =  320;
  cost[12,16,18] =  239;
  cost[12,17,18] =  178;
  cost[13,0,18] =  94;
  cost[13,1,18] =  92;
  cost[13,2,18] =  145;
  cost[13,3,18] =  21;
  cost[13,4,18] =  206;
  cost[13,5,18] =  264;
  cost[13,6,18] =  127;
  cost[13,7,18] =  158;
  cost[13,8,18] =  155;
  cost[13,9,18] =  131;
  cost[13,10,18] =  178;
  cost[13,11,18] =  195;
  cost[13,12,18] =  32;
  cost[13,13,18] =  0;
  cost[13,14,18] =  323;
  cost[13,15,18] =  41;
  cost[13,16,18] =  17;
  cost[13,17,18] =  214;
  cost[14,0,18] =  225;
  cost[14,1,18] =  161;
  cost[14,2,18] =  305;
  cost[14,3,18] =  159;
  cost[14,4,18] =  45;
  cost[14,5,18] =  178;
  cost[14,6,18] =  299;
  cost[14,7,18] =  143;
  cost[14,8,18] =  132;
  cost[14,9,18] =  11;
  cost[14,10,18] =  134;
  cost[14,11,18] =  200;
  cost[14,12,18] =  4;
  cost[14,13,18] =  323;
  cost[14,14,18] =  0;
  cost[14,15,18] =  28;
  cost[14,16,18] =  81;
  cost[14,17,18] =  191;
  cost[15,0,18] =  237;
  cost[15,1,18] =  241;
  cost[15,2,18] =  193;
  cost[15,3,18] =  152;
  cost[15,4,18] =  319;
  cost[15,5,18] =  183;
  cost[15,6,18] =  210;
  cost[15,7,18] =  105;
  cost[15,8,18] =  206;
  cost[15,9,18] =  190;
  cost[15,10,18] =  270;
  cost[15,11,18] =  231;
  cost[15,12,18] =  320;
  cost[15,13,18] =  41;
  cost[15,14,18] =  28;
  cost[15,15,18] =  0;
  cost[15,16,18] =  243;
  cost[15,17,18] =  268;
  cost[16,0,18] =  182;
  cost[16,1,18] =  305;
  cost[16,2,18] =  105;
  cost[16,3,18] =  2;
  cost[16,4,18] =  187;
  cost[16,5,18] =  175;
  cost[16,6,18] =  210;
  cost[16,7,18] =  227;
  cost[16,8,18] =  174;
  cost[16,9,18] =  17;
  cost[16,10,18] =  110;
  cost[16,11,18] =  25;
  cost[16,12,18] =  239;
  cost[16,13,18] =  17;
  cost[16,14,18] =  81;
  cost[16,15,18] =  243;
  cost[16,16,18] =  0;
  cost[16,17,18] =  98;
  cost[17,0,18] =  142;
  cost[17,1,18] =  157;
  cost[17,2,18] =  0;
  cost[17,3,18] =  317;
  cost[17,4,18] =  239;
  cost[17,5,18] =  199;
  cost[17,6,18] =  294;
  cost[17,7,18] =  110;
  cost[17,8,18] =  136;
  cost[17,9,18] =  221;
  cost[17,10,18] =  292;
  cost[17,11,18] =  173;
  cost[17,12,18] =  178;
  cost[17,13,18] =  214;
  cost[17,14,18] =  191;
  cost[17,15,18] =  268;
  cost[17,16,18] =  98;
  cost[17,17,18] =  0;
  cost[0,0,19] =  0;
  cost[0,1,19] =  208;
  cost[0,2,19] =  47;
  cost[0,3,19] =  277;
  cost[0,4,19] =  99;
  cost[0,5,19] =  243;
  cost[0,6,19] =  154;
  cost[0,7,19] =  7;
  cost[0,8,19] =  268;
  cost[0,9,19] =  3;
  cost[0,10,19] =  195;
  cost[0,11,19] =  301;
  cost[0,12,19] =  8;
  cost[0,13,19] =  191;
  cost[0,14,19] =  217;
  cost[0,15,19] =  186;
  cost[0,16,19] =  0;
  cost[0,17,19] =  217;
  cost[1,0,19] =  208;
  cost[1,1,19] =  0;
  cost[1,2,19] =  17;
  cost[1,3,19] =  108;
  cost[1,4,19] =  77;
  cost[1,5,19] =  46;
  cost[1,6,19] =  189;
  cost[1,7,19] =  268;
  cost[1,8,19] =  297;
  cost[1,9,19] =  109;
  cost[1,10,19] =  213;
  cost[1,11,19] =  214;
  cost[1,12,19] =  207;
  cost[1,13,19] =  293;
  cost[1,14,19] =  78;
  cost[1,15,19] =  91;
  cost[1,16,19] =  16;
  cost[1,17,19] =  32;
  cost[2,0,19] =  47;
  cost[2,1,19] =  17;
  cost[2,2,19] =  0;
  cost[2,3,19] =  259;
  cost[2,4,19] =  187;
  cost[2,5,19] =  198;
  cost[2,6,19] =  204;
  cost[2,7,19] =  191;
  cost[2,8,19] =  69;
  cost[2,9,19] =  182;
  cost[2,10,19] =  199;
  cost[2,11,19] =  260;
  cost[2,12,19] =  76;
  cost[2,13,19] =  62;
  cost[2,14,19] =  261;
  cost[2,15,19] =  293;
  cost[2,16,19] =  291;
  cost[2,17,19] =  278;
  cost[3,0,19] =  277;
  cost[3,1,19] =  108;
  cost[3,2,19] =  259;
  cost[3,3,19] =  0;
  cost[3,4,19] =  45;
  cost[3,5,19] =  1;
  cost[3,6,19] =  267;
  cost[3,7,19] =  313;
  cost[3,8,19] =  298;
  cost[3,9,19] =  53;
  cost[3,10,19] =  203;
  cost[3,11,19] =  189;
  cost[3,12,19] =  260;
  cost[3,13,19] =  172;
  cost[3,14,19] =  268;
  cost[3,15,19] =  28;
  cost[3,16,19] =  189;
  cost[3,17,19] =  301;
  cost[4,0,19] =  99;
  cost[4,1,19] =  77;
  cost[4,2,19] =  187;
  cost[4,3,19] =  45;
  cost[4,4,19] =  0;
  cost[4,5,19] =  125;
  cost[4,6,19] =  165;
  cost[4,7,19] =  94;
  cost[4,8,19] =  5;
  cost[4,9,19] =  33;
  cost[4,10,19] =  163;
  cost[4,11,19] =  188;
  cost[4,12,19] =  232;
  cost[4,13,19] =  100;
  cost[4,14,19] =  264;
  cost[4,15,19] =  295;
  cost[4,16,19] =  37;
  cost[4,17,19] =  233;
  cost[5,0,19] =  243;
  cost[5,1,19] =  46;
  cost[5,2,19] =  198;
  cost[5,3,19] =  1;
  cost[5,4,19] =  125;
  cost[5,5,19] =  0;
  cost[5,6,19] =  316;
  cost[5,7,19] =  311;
  cost[5,8,19] =  308;
  cost[5,9,19] =  317;
  cost[5,10,19] =  254;
  cost[5,11,19] =  298;
  cost[5,12,19] =  292;
  cost[5,13,19] =  308;
  cost[5,14,19] =  177;
  cost[5,15,19] =  157;
  cost[5,16,19] =  244;
  cost[5,17,19] =  26;
  cost[6,0,19] =  154;
  cost[6,1,19] =  189;
  cost[6,2,19] =  204;
  cost[6,3,19] =  267;
  cost[6,4,19] =  165;
  cost[6,5,19] =  316;
  cost[6,6,19] =  0;
  cost[6,7,19] =  273;
  cost[6,8,19] =  215;
  cost[6,9,19] =  79;
  cost[6,10,19] =  168;
  cost[6,11,19] =  16;
  cost[6,12,19] =  245;
  cost[6,13,19] =  263;
  cost[6,14,19] =  22;
  cost[6,15,19] =  278;
  cost[6,16,19] =  102;
  cost[6,17,19] =  211;
  cost[7,0,19] =  7;
  cost[7,1,19] =  268;
  cost[7,2,19] =  191;
  cost[7,3,19] =  313;
  cost[7,4,19] =  94;
  cost[7,5,19] =  311;
  cost[7,6,19] =  273;
  cost[7,7,19] =  0;
  cost[7,8,19] =  203;
  cost[7,9,19] =  152;
  cost[7,10,19] =  158;
  cost[7,11,19] =  240;
  cost[7,12,19] =  62;
  cost[7,13,19] =  97;
  cost[7,14,19] =  232;
  cost[7,15,19] =  49;
  cost[7,16,19] =  82;
  cost[7,17,19] =  226;
  cost[8,0,19] =  268;
  cost[8,1,19] =  297;
  cost[8,2,19] =  69;
  cost[8,3,19] =  298;
  cost[8,4,19] =  5;
  cost[8,5,19] =  308;
  cost[8,6,19] =  215;
  cost[8,7,19] =  203;
  cost[8,8,19] =  0;
  cost[8,9,19] =  56;
  cost[8,10,19] =  194;
  cost[8,11,19] =  288;
  cost[8,12,19] =  233;
  cost[8,13,19] =  27;
  cost[8,14,19] =  209;
  cost[8,15,19] =  260;
  cost[8,16,19] =  130;
  cost[8,17,19] =  158;
  cost[9,0,19] =  3;
  cost[9,1,19] =  109;
  cost[9,2,19] =  182;
  cost[9,3,19] =  53;
  cost[9,4,19] =  33;
  cost[9,5,19] =  317;
  cost[9,6,19] =  79;
  cost[9,7,19] =  152;
  cost[9,8,19] =  56;
  cost[9,9,19] =  0;
  cost[9,10,19] =  209;
  cost[9,11,19] =  3;
  cost[9,12,19] =  169;
  cost[9,13,19] =  131;
  cost[9,14,19] =  266;
  cost[9,15,19] =  192;
  cost[9,16,19] =  85;
  cost[9,17,19] =  45;
  cost[10,0,19] =  195;
  cost[10,1,19] =  213;
  cost[10,2,19] =  199;
  cost[10,3,19] =  203;
  cost[10,4,19] =  163;
  cost[10,5,19] =  254;
  cost[10,6,19] =  168;
  cost[10,7,19] =  158;
  cost[10,8,19] =  194;
  cost[10,9,19] =  209;
  cost[10,10,19] =  0;
  cost[10,11,19] =  272;
  cost[10,12,19] =  248;
  cost[10,13,19] =  231;
  cost[10,14,19] =  107;
  cost[10,15,19] =  164;
  cost[10,16,19] =  293;
  cost[10,17,19] =  205;
  cost[11,0,19] =  301;
  cost[11,1,19] =  214;
  cost[11,2,19] =  260;
  cost[11,3,19] =  189;
  cost[11,4,19] =  188;
  cost[11,5,19] =  298;
  cost[11,6,19] =  16;
  cost[11,7,19] =  240;
  cost[11,8,19] =  288;
  cost[11,9,19] =  3;
  cost[11,10,19] =  272;
  cost[11,11,19] =  0;
  cost[11,12,19] =  19;
  cost[11,13,19] =  287;
  cost[11,14,19] =  299;
  cost[11,15,19] =  323;
  cost[11,16,19] =  19;
  cost[11,17,19] =  169;
  cost[12,0,19] =  8;
  cost[12,1,19] =  207;
  cost[12,2,19] =  76;
  cost[12,3,19] =  260;
  cost[12,4,19] =  232;
  cost[12,5,19] =  292;
  cost[12,6,19] =  245;
  cost[12,7,19] =  62;
  cost[12,8,19] =  233;
  cost[12,9,19] =  169;
  cost[12,10,19] =  248;
  cost[12,11,19] =  19;
  cost[12,12,19] =  0;
  cost[12,13,19] =  253;
  cost[12,14,19] =  197;
  cost[12,15,19] =  173;
  cost[12,16,19] =  189;
  cost[12,17,19] =  3;
  cost[13,0,19] =  191;
  cost[13,1,19] =  293;
  cost[13,2,19] =  62;
  cost[13,3,19] =  172;
  cost[13,4,19] =  100;
  cost[13,5,19] =  308;
  cost[13,6,19] =  263;
  cost[13,7,19] =  97;
  cost[13,8,19] =  27;
  cost[13,9,19] =  131;
  cost[13,10,19] =  231;
  cost[13,11,19] =  287;
  cost[13,12,19] =  253;
  cost[13,13,19] =  0;
  cost[13,14,19] =  18;
  cost[13,15,19] =  213;
  cost[13,16,19] =  11;
  cost[13,17,19] =  187;
  cost[14,0,19] =  217;
  cost[14,1,19] =  78;
  cost[14,2,19] =  261;
  cost[14,3,19] =  268;
  cost[14,4,19] =  264;
  cost[14,5,19] =  177;
  cost[14,6,19] =  22;
  cost[14,7,19] =  232;
  cost[14,8,19] =  209;
  cost[14,9,19] =  266;
  cost[14,10,19] =  107;
  cost[14,11,19] =  299;
  cost[14,12,19] =  197;
  cost[14,13,19] =  18;
  cost[14,14,19] =  0;
  cost[14,15,19] =  278;
  cost[14,16,19] =  55;
  cost[14,17,19] =  106;
  cost[15,0,19] =  186;
  cost[15,1,19] =  91;
  cost[15,2,19] =  293;
  cost[15,3,19] =  28;
  cost[15,4,19] =  295;
  cost[15,5,19] =  157;
  cost[15,6,19] =  278;
  cost[15,7,19] =  49;
  cost[15,8,19] =  260;
  cost[15,9,19] =  192;
  cost[15,10,19] =  164;
  cost[15,11,19] =  323;
  cost[15,12,19] =  173;
  cost[15,13,19] =  213;
  cost[15,14,19] =  278;
  cost[15,15,19] =  0;
  cost[15,16,19] =  134;
  cost[15,17,19] =  54;
  cost[16,0,19] =  0;
  cost[16,1,19] =  16;
  cost[16,2,19] =  291;
  cost[16,3,19] =  189;
  cost[16,4,19] =  37;
  cost[16,5,19] =  244;
  cost[16,6,19] =  102;
  cost[16,7,19] =  82;
  cost[16,8,19] =  130;
  cost[16,9,19] =  85;
  cost[16,10,19] =  293;
  cost[16,11,19] =  19;
  cost[16,12,19] =  189;
  cost[16,13,19] =  11;
  cost[16,14,19] =  55;
  cost[16,15,19] =  134;
  cost[16,16,19] =  0;
  cost[16,17,19] =  42;
  cost[17,0,19] =  217;
  cost[17,1,19] =  32;
  cost[17,2,19] =  278;
  cost[17,3,19] =  301;
  cost[17,4,19] =  233;
  cost[17,5,19] =  26;
  cost[17,6,19] =  211;
  cost[17,7,19] =  226;
  cost[17,8,19] =  158;
  cost[17,9,19] =  45;
  cost[17,10,19] =  205;
  cost[17,11,19] =  169;
  cost[17,12,19] =  3;
  cost[17,13,19] =  187;
  cost[17,14,19] =  106;
  cost[17,15,19] =  54;
  cost[17,16,19] =  42;
  cost[17,17,19] =  0;
  cost[0,0,20] =  0;
  cost[0,1,20] =  12;
  cost[0,2,20] =  43;
  cost[0,3,20] =  162;
  cost[0,4,20] =  31;
  cost[0,5,20] =  7;
  cost[0,6,20] =  137;
  cost[0,7,20] =  31;
  cost[0,8,20] =  27;
  cost[0,9,20] =  307;
  cost[0,10,20] =  319;
  cost[0,11,20] =  280;
  cost[0,12,20] =  180;
  cost[0,13,20] =  169;
  cost[0,14,20] =  146;
  cost[0,15,20] =  184;
  cost[0,16,20] =  177;
  cost[0,17,20] =  164;
  cost[1,0,20] =  12;
  cost[1,1,20] =  0;
  cost[1,2,20] =  189;
  cost[1,3,20] =  28;
  cost[1,4,20] =  93;
  cost[1,5,20] =  144;
  cost[1,6,20] =  83;
  cost[1,7,20] =  200;
  cost[1,8,20] =  144;
  cost[1,9,20] =  218;
  cost[1,10,20] =  254;
  cost[1,11,20] =  68;
  cost[1,12,20] =  261;
  cost[1,13,20] =  93;
  cost[1,14,20] =  157;
  cost[1,15,20] =  273;
  cost[1,16,20] =  137;
  cost[1,17,20] =  319;
  cost[2,0,20] =  43;
  cost[2,1,20] =  189;
  cost[2,2,20] =  0;
  cost[2,3,20] =  144;
  cost[2,4,20] =  133;
  cost[2,5,20] =  12;
  cost[2,6,20] =  172;
  cost[2,7,20] =  116;
  cost[2,8,20] =  8;
  cost[2,9,20] =  128;
  cost[2,10,20] =  297;
  cost[2,11,20] =  178;
  cost[2,12,20] =  275;
  cost[2,13,20] =  157;
  cost[2,14,20] =  32;
  cost[2,15,20] =  116;
  cost[2,16,20] =  230;
  cost[2,17,20] =  222;
  cost[3,0,20] =  162;
  cost[3,1,20] =  28;
  cost[3,2,20] =  144;
  cost[3,3,20] =  0;
  cost[3,4,20] =  0;
  cost[3,5,20] =  42;
  cost[3,6,20] =  228;
  cost[3,7,20] =  200;
  cost[3,8,20] =  186;
  cost[3,9,20] =  123;
  cost[3,10,20] =  131;
  cost[3,11,20] =  254;
  cost[3,12,20] =  60;
  cost[3,13,20] =  224;
  cost[3,14,20] =  88;
  cost[3,15,20] =  10;
  cost[3,16,20] =  37;
  cost[3,17,20] =  83;
  cost[4,0,20] =  31;
  cost[4,1,20] =  93;
  cost[4,2,20] =  133;
  cost[4,3,20] =  0;
  cost[4,4,20] =  0;
  cost[4,5,20] =  182;
  cost[4,6,20] =  216;
  cost[4,7,20] =  4;
  cost[4,8,20] =  30;
  cost[4,9,20] =  9;
  cost[4,10,20] =  13;
  cost[4,11,20] =  159;
  cost[4,12,20] =  306;
  cost[4,13,20] =  191;
  cost[4,14,20] =  110;
  cost[4,15,20] =  139;
  cost[4,16,20] =  223;
  cost[4,17,20] =  227;
  cost[5,0,20] =  7;
  cost[5,1,20] =  144;
  cost[5,2,20] =  12;
  cost[5,3,20] =  42;
  cost[5,4,20] =  182;
  cost[5,5,20] =  0;
  cost[5,6,20] =  121;
  cost[5,7,20] =  48;
  cost[5,8,20] =  46;
  cost[5,9,20] =  164;
  cost[5,10,20] =  277;
  cost[5,11,20] =  246;
  cost[5,12,20] =  26;
  cost[5,13,20] =  76;
  cost[5,14,20] =  54;
  cost[5,15,20] =  281;
  cost[5,16,20] =  137;
  cost[5,17,20] =  278;
  cost[6,0,20] =  137;
  cost[6,1,20] =  83;
  cost[6,2,20] =  172;
  cost[6,3,20] =  228;
  cost[6,4,20] =  216;
  cost[6,5,20] =  121;
  cost[6,6,20] =  0;
  cost[6,7,20] =  147;
  cost[6,8,20] =  315;
  cost[6,9,20] =  129;
  cost[6,10,20] =  139;
  cost[6,11,20] =  174;
  cost[6,12,20] =  22;
  cost[6,13,20] =  143;
  cost[6,14,20] =  204;
  cost[6,15,20] =  31;
  cost[6,16,20] =  156;
  cost[6,17,20] =  39;
  cost[7,0,20] =  31;
  cost[7,1,20] =  200;
  cost[7,2,20] =  116;
  cost[7,3,20] =  200;
  cost[7,4,20] =  4;
  cost[7,5,20] =  48;
  cost[7,6,20] =  147;
  cost[7,7,20] =  0;
  cost[7,8,20] =  23;
  cost[7,9,20] =  150;
  cost[7,10,20] =  153;
  cost[7,11,20] =  247;
  cost[7,12,20] =  54;
  cost[7,13,20] =  199;
  cost[7,14,20] =  45;
  cost[7,15,20] =  102;
  cost[7,16,20] =  245;
  cost[7,17,20] =  209;
  cost[8,0,20] =  27;
  cost[8,1,20] =  144;
  cost[8,2,20] =  8;
  cost[8,3,20] =  186;
  cost[8,4,20] =  30;
  cost[8,5,20] =  46;
  cost[8,6,20] =  315;
  cost[8,7,20] =  23;
  cost[8,8,20] =  0;
  cost[8,9,20] =  168;
  cost[8,10,20] =  235;
  cost[8,11,20] =  132;
  cost[8,12,20] =  222;
  cost[8,13,20] =  193;
  cost[8,14,20] =  269;
  cost[8,15,20] =  177;
  cost[8,16,20] =  238;
  cost[8,17,20] =  93;
  cost[9,0,20] =  307;
  cost[9,1,20] =  218;
  cost[9,2,20] =  128;
  cost[9,3,20] =  123;
  cost[9,4,20] =  9;
  cost[9,5,20] =  164;
  cost[9,6,20] =  129;
  cost[9,7,20] =  150;
  cost[9,8,20] =  168;
  cost[9,9,20] =  0;
  cost[9,10,20] =  44;
  cost[9,11,20] =  232;
  cost[9,12,20] =  19;
  cost[9,13,20] =  66;
  cost[9,14,20] =  51;
  cost[9,15,20] =  223;
  cost[9,16,20] =  98;
  cost[9,17,20] =  208;
  cost[10,0,20] =  319;
  cost[10,1,20] =  254;
  cost[10,2,20] =  297;
  cost[10,3,20] =  131;
  cost[10,4,20] =  13;
  cost[10,5,20] =  277;
  cost[10,6,20] =  139;
  cost[10,7,20] =  153;
  cost[10,8,20] =  235;
  cost[10,9,20] =  44;
  cost[10,10,20] =  0;
  cost[10,11,20] =  112;
  cost[10,12,20] =  232;
  cost[10,13,20] =  89;
  cost[10,14,20] =  266;
  cost[10,15,20] =  155;
  cost[10,16,20] =  143;
  cost[10,17,20] =  141;
  cost[11,0,20] =  280;
  cost[11,1,20] =  68;
  cost[11,2,20] =  178;
  cost[11,3,20] =  254;
  cost[11,4,20] =  159;
  cost[11,5,20] =  246;
  cost[11,6,20] =  174;
  cost[11,7,20] =  247;
  cost[11,8,20] =  132;
  cost[11,9,20] =  232;
  cost[11,10,20] =  112;
  cost[11,11,20] =  0;
  cost[11,12,20] =  246;
  cost[11,13,20] =  63;
  cost[11,14,20] =  86;
  cost[11,15,20] =  302;
  cost[11,16,20] =  232;
  cost[11,17,20] =  321;
  cost[12,0,20] =  180;
  cost[12,1,20] =  261;
  cost[12,2,20] =  275;
  cost[12,3,20] =  60;
  cost[12,4,20] =  306;
  cost[12,5,20] =  26;
  cost[12,6,20] =  22;
  cost[12,7,20] =  54;
  cost[12,8,20] =  222;
  cost[12,9,20] =  19;
  cost[12,10,20] =  232;
  cost[12,11,20] =  246;
  cost[12,12,20] =  0;
  cost[12,13,20] =  130;
  cost[12,14,20] =  191;
  cost[12,15,20] =  57;
  cost[12,16,20] =  308;
  cost[12,17,20] =  106;
  cost[13,0,20] =  169;
  cost[13,1,20] =  93;
  cost[13,2,20] =  157;
  cost[13,3,20] =  224;
  cost[13,4,20] =  191;
  cost[13,5,20] =  76;
  cost[13,6,20] =  143;
  cost[13,7,20] =  199;
  cost[13,8,20] =  193;
  cost[13,9,20] =  66;
  cost[13,10,20] =  89;
  cost[13,11,20] =  63;
  cost[13,12,20] =  130;
  cost[13,13,20] =  0;
  cost[13,14,20] =  152;
  cost[13,15,20] =  150;
  cost[13,16,20] =  58;
  cost[13,17,20] =  172;
  cost[14,0,20] =  146;
  cost[14,1,20] =  157;
  cost[14,2,20] =  32;
  cost[14,3,20] =  88;
  cost[14,4,20] =  110;
  cost[14,5,20] =  54;
  cost[14,6,20] =  204;
  cost[14,7,20] =  45;
  cost[14,8,20] =  269;
  cost[14,9,20] =  51;
  cost[14,10,20] =  266;
  cost[14,11,20] =  86;
  cost[14,12,20] =  191;
  cost[14,13,20] =  152;
  cost[14,14,20] =  0;
  cost[14,15,20] =  110;
  cost[14,16,20] =  71;
  cost[14,17,20] =  315;
  cost[15,0,20] =  184;
  cost[15,1,20] =  273;
  cost[15,2,20] =  116;
  cost[15,3,20] =  10;
  cost[15,4,20] =  139;
  cost[15,5,20] =  281;
  cost[15,6,20] =  31;
  cost[15,7,20] =  102;
  cost[15,8,20] =  177;
  cost[15,9,20] =  223;
  cost[15,10,20] =  155;
  cost[15,11,20] =  302;
  cost[15,12,20] =  57;
  cost[15,13,20] =  150;
  cost[15,14,20] =  110;
  cost[15,15,20] =  0;
  cost[15,16,20] =  10;
  cost[15,17,20] =  104;
  cost[16,0,20] =  177;
  cost[16,1,20] =  137;
  cost[16,2,20] =  230;
  cost[16,3,20] =  37;
  cost[16,4,20] =  223;
  cost[16,5,20] =  137;
  cost[16,6,20] =  156;
  cost[16,7,20] =  245;
  cost[16,8,20] =  238;
  cost[16,9,20] =  98;
  cost[16,10,20] =  143;
  cost[16,11,20] =  232;
  cost[16,12,20] =  308;
  cost[16,13,20] =  58;
  cost[16,14,20] =  71;
  cost[16,15,20] =  10;
  cost[16,16,20] =  0;
  cost[16,17,20] =  99;
  cost[17,0,20] =  164;
  cost[17,1,20] =  319;
  cost[17,2,20] =  222;
  cost[17,3,20] =  83;
  cost[17,4,20] =  227;
  cost[17,5,20] =  278;
  cost[17,6,20] =  39;
  cost[17,7,20] =  209;
  cost[17,8,20] =  93;
  cost[17,9,20] =  208;
  cost[17,10,20] =  141;
  cost[17,11,20] =  321;
  cost[17,12,20] =  106;
  cost[17,13,20] =  172;
  cost[17,14,20] =  315;
  cost[17,15,20] =  104;
  cost[17,16,20] =  99;
  cost[17,17,20] =  0;
  cost[0,0,21] =  0;
  cost[0,1,21] =  243;
  cost[0,2,21] =  188;
  cost[0,3,21] =  260;
  cost[0,4,21] =  165;
  cost[0,5,21] =  252;
  cost[0,6,21] =  22;
  cost[0,7,21] =  143;
  cost[0,8,21] =  160;
  cost[0,9,21] =  20;
  cost[0,10,21] =  255;
  cost[0,11,21] =  291;
  cost[0,12,21] =  211;
  cost[0,13,21] =  312;
  cost[0,14,21] =  275;
  cost[0,15,21] =  317;
  cost[0,16,21] =  138;
  cost[0,17,21] =  104;
  cost[1,0,21] =  243;
  cost[1,1,21] =  0;
  cost[1,2,21] =  197;
  cost[1,3,21] =  276;
  cost[1,4,21] =  36;
  cost[1,5,21] =  308;
  cost[1,6,21] =  24;
  cost[1,7,21] =  28;
  cost[1,8,21] =  303;
  cost[1,9,21] =  34;
  cost[1,10,21] =  132;
  cost[1,11,21] =  207;
  cost[1,12,21] =  134;
  cost[1,13,21] =  179;
  cost[1,14,21] =  266;
  cost[1,15,21] =  53;
  cost[1,16,21] =  44;
  cost[1,17,21] =  203;
  cost[2,0,21] =  188;
  cost[2,1,21] =  197;
  cost[2,2,21] =  0;
  cost[2,3,21] =  296;
  cost[2,4,21] =  225;
  cost[2,5,21] =  39;
  cost[2,6,21] =  133;
  cost[2,7,21] =  245;
  cost[2,8,21] =  294;
  cost[2,9,21] =  100;
  cost[2,10,21] =  133;
  cost[2,11,21] =  282;
  cost[2,12,21] =  52;
  cost[2,13,21] =  126;
  cost[2,14,21] =  97;
  cost[2,15,21] =  157;
  cost[2,16,21] =  269;
  cost[2,17,21] =  294;
  cost[3,0,21] =  260;
  cost[3,1,21] =  276;
  cost[3,2,21] =  296;
  cost[3,3,21] =  0;
  cost[3,4,21] =  306;
  cost[3,5,21] =  279;
  cost[3,6,21] =  133;
  cost[3,7,21] =  11;
  cost[3,8,21] =  259;
  cost[3,9,21] =  168;
  cost[3,10,21] =  143;
  cost[3,11,21] =  142;
  cost[3,12,21] =  302;
  cost[3,13,21] =  323;
  cost[3,14,21] =  85;
  cost[3,15,21] =  32;
  cost[3,16,21] =  43;
  cost[3,17,21] =  289;
  cost[4,0,21] =  165;
  cost[4,1,21] =  36;
  cost[4,2,21] =  225;
  cost[4,3,21] =  306;
  cost[4,4,21] =  0;
  cost[4,5,21] =  15;
  cost[4,6,21] =  190;
  cost[4,7,21] =  290;
  cost[4,8,21] =  148;
  cost[4,9,21] =  112;
  cost[4,10,21] =  260;
  cost[4,11,21] =  249;
  cost[4,12,21] =  245;
  cost[4,13,21] =  219;
  cost[4,14,21] =  301;
  cost[4,15,21] =  48;
  cost[4,16,21] =  316;
  cost[4,17,21] =  134;
  cost[5,0,21] =  252;
  cost[5,1,21] =  308;
  cost[5,2,21] =  39;
  cost[5,3,21] =  279;
  cost[5,4,21] =  15;
  cost[5,5,21] =  0;
  cost[5,6,21] =  287;
  cost[5,7,21] =  244;
  cost[5,8,21] =  300;
  cost[5,9,21] =  242;
  cost[5,10,21] =  54;
  cost[5,11,21] =  311;
  cost[5,12,21] =  177;
  cost[5,13,21] =  223;
  cost[5,14,21] =  131;
  cost[5,15,21] =  320;
  cost[5,16,21] =  202;
  cost[5,17,21] =  130;
  cost[6,0,21] =  22;
  cost[6,1,21] =  24;
  cost[6,2,21] =  133;
  cost[6,3,21] =  133;
  cost[6,4,21] =  190;
  cost[6,5,21] =  287;
  cost[6,6,21] =  0;
  cost[6,7,21] =  234;
  cost[6,8,21] =  173;
  cost[6,9,21] =  47;
  cost[6,10,21] =  161;
  cost[6,11,21] =  189;
  cost[6,12,21] =  237;
  cost[6,13,21] =  128;
  cost[6,14,21] =  14;
  cost[6,15,21] =  26;
  cost[6,16,21] =  65;
  cost[6,17,21] =  263;
  cost[7,0,21] =  143;
  cost[7,1,21] =  28;
  cost[7,2,21] =  245;
  cost[7,3,21] =  11;
  cost[7,4,21] =  290;
  cost[7,5,21] =  244;
  cost[7,6,21] =  234;
  cost[7,7,21] =  0;
  cost[7,8,21] =  284;
  cost[7,9,21] =  241;
  cost[7,10,21] =  320;
  cost[7,11,21] =  277;
  cost[7,12,21] =  52;
  cost[7,13,21] =  314;
  cost[7,14,21] =  240;
  cost[7,15,21] =  296;
  cost[7,16,21] =  291;
  cost[7,17,21] =  158;
  cost[8,0,21] =  160;
  cost[8,1,21] =  303;
  cost[8,2,21] =  294;
  cost[8,3,21] =  259;
  cost[8,4,21] =  148;
  cost[8,5,21] =  300;
  cost[8,6,21] =  173;
  cost[8,7,21] =  284;
  cost[8,8,21] =  0;
  cost[8,9,21] =  278;
  cost[8,10,21] =  12;
  cost[8,11,21] =  251;
  cost[8,12,21] =  86;
  cost[8,13,21] =  8;
  cost[8,14,21] =  129;
  cost[8,15,21] =  217;
  cost[8,16,21] =  90;
  cost[8,17,21] =  39;
  cost[9,0,21] =  20;
  cost[9,1,21] =  34;
  cost[9,2,21] =  100;
  cost[9,3,21] =  168;
  cost[9,4,21] =  112;
  cost[9,5,21] =  242;
  cost[9,6,21] =  47;
  cost[9,7,21] =  241;
  cost[9,8,21] =  278;
  cost[9,9,21] =  0;
  cost[9,10,21] =  137;
  cost[9,11,21] =  201;
  cost[9,12,21] =  256;
  cost[9,13,21] =  51;
  cost[9,14,21] =  6;
  cost[9,15,21] =  270;
  cost[9,16,21] =  77;
  cost[9,17,21] =  71;
  cost[10,0,21] =  255;
  cost[10,1,21] =  132;
  cost[10,2,21] =  133;
  cost[10,3,21] =  143;
  cost[10,4,21] =  260;
  cost[10,5,21] =  54;
  cost[10,6,21] =  161;
  cost[10,7,21] =  320;
  cost[10,8,21] =  12;
  cost[10,9,21] =  137;
  cost[10,10,21] =  0;
  cost[10,11,21] =  25;
  cost[10,12,21] =  32;
  cost[10,13,21] =  126;
  cost[10,14,21] =  22;
  cost[10,15,21] =  309;
  cost[10,16,21] =  178;
  cost[10,17,21] =  12;
  cost[11,0,21] =  291;
  cost[11,1,21] =  207;
  cost[11,2,21] =  282;
  cost[11,3,21] =  142;
  cost[11,4,21] =  249;
  cost[11,5,21] =  311;
  cost[11,6,21] =  189;
  cost[11,7,21] =  277;
  cost[11,8,21] =  251;
  cost[11,9,21] =  201;
  cost[11,10,21] =  25;
  cost[11,11,21] =  0;
  cost[11,12,21] =  151;
  cost[11,13,21] =  304;
  cost[11,14,21] =  59;
  cost[11,15,21] =  179;
  cost[11,16,21] =  258;
  cost[11,17,21] =  71;
  cost[12,0,21] =  211;
  cost[12,1,21] =  134;
  cost[12,2,21] =  52;
  cost[12,3,21] =  302;
  cost[12,4,21] =  245;
  cost[12,5,21] =  177;
  cost[12,6,21] =  237;
  cost[12,7,21] =  52;
  cost[12,8,21] =  86;
  cost[12,9,21] =  256;
  cost[12,10,21] =  32;
  cost[12,11,21] =  151;
  cost[12,12,21] =  0;
  cost[12,13,21] =  21;
  cost[12,14,21] =  80;
  cost[12,15,21] =  236;
  cost[12,16,21] =  238;
  cost[12,17,21] =  170;
  cost[13,0,21] =  312;
  cost[13,1,21] =  179;
  cost[13,2,21] =  126;
  cost[13,3,21] =  323;
  cost[13,4,21] =  219;
  cost[13,5,21] =  223;
  cost[13,6,21] =  128;
  cost[13,7,21] =  314;
  cost[13,8,21] =  8;
  cost[13,9,21] =  51;
  cost[13,10,21] =  126;
  cost[13,11,21] =  304;
  cost[13,12,21] =  21;
  cost[13,13,21] =  0;
  cost[13,14,21] =  305;
  cost[13,15,21] =  308;
  cost[13,16,21] =  153;
  cost[13,17,21] =  237;
  cost[14,0,21] =  275;
  cost[14,1,21] =  266;
  cost[14,2,21] =  97;
  cost[14,3,21] =  85;
  cost[14,4,21] =  301;
  cost[14,5,21] =  131;
  cost[14,6,21] =  14;
  cost[14,7,21] =  240;
  cost[14,8,21] =  129;
  cost[14,9,21] =  6;
  cost[14,10,21] =  22;
  cost[14,11,21] =  59;
  cost[14,12,21] =  80;
  cost[14,13,21] =  305;
  cost[14,14,21] =  0;
  cost[14,15,21] =  159;
  cost[14,16,21] =  183;
  cost[14,17,21] =  112;
  cost[15,0,21] =  317;
  cost[15,1,21] =  53;
  cost[15,2,21] =  157;
  cost[15,3,21] =  32;
  cost[15,4,21] =  48;
  cost[15,5,21] =  320;
  cost[15,6,21] =  26;
  cost[15,7,21] =  296;
  cost[15,8,21] =  217;
  cost[15,9,21] =  270;
  cost[15,10,21] =  309;
  cost[15,11,21] =  179;
  cost[15,12,21] =  236;
  cost[15,13,21] =  308;
  cost[15,14,21] =  159;
  cost[15,15,21] =  0;
  cost[15,16,21] =  69;
  cost[15,17,21] =  138;
  cost[16,0,21] =  138;
  cost[16,1,21] =  44;
  cost[16,2,21] =  269;
  cost[16,3,21] =  43;
  cost[16,4,21] =  316;
  cost[16,5,21] =  202;
  cost[16,6,21] =  65;
  cost[16,7,21] =  291;
  cost[16,8,21] =  90;
  cost[16,9,21] =  77;
  cost[16,10,21] =  178;
  cost[16,11,21] =  258;
  cost[16,12,21] =  238;
  cost[16,13,21] =  153;
  cost[16,14,21] =  183;
  cost[16,15,21] =  69;
  cost[16,16,21] =  0;
  cost[16,17,21] =  196;
  cost[17,0,21] =  104;
  cost[17,1,21] =  203;
  cost[17,2,21] =  294;
  cost[17,3,21] =  289;
  cost[17,4,21] =  134;
  cost[17,5,21] =  130;
  cost[17,6,21] =  263;
  cost[17,7,21] =  158;
  cost[17,8,21] =  39;
  cost[17,9,21] =  71;
  cost[17,10,21] =  12;
  cost[17,11,21] =  71;
  cost[17,12,21] =  170;
  cost[17,13,21] =  237;
  cost[17,14,21] =  112;
  cost[17,15,21] =  138;
  cost[17,16,21] =  196;
  cost[17,17,21] =  0;
  cost[0,0,22] =  0;
  cost[0,1,22] =  51;
  cost[0,2,22] =  174;
  cost[0,3,22] =  149;
  cost[0,4,22] =  203;
  cost[0,5,22] =  154;
  cost[0,6,22] =  209;
  cost[0,7,22] =  59;
  cost[0,8,22] =  89;
  cost[0,9,22] =  281;
  cost[0,10,22] =  165;
  cost[0,11,22] =  110;
  cost[0,12,22] =  37;
  cost[0,13,22] =  77;
  cost[0,14,22] =  24;
  cost[0,15,22] =  208;
  cost[0,16,22] =  29;
  cost[0,17,22] =  6;
  cost[1,0,22] =  51;
  cost[1,1,22] =  0;
  cost[1,2,22] =  182;
  cost[1,3,22] =  243;
  cost[1,4,22] =  227;
  cost[1,5,22] =  18;
  cost[1,6,22] =  103;
  cost[1,7,22] =  16;
  cost[1,8,22] =  248;
  cost[1,9,22] =  173;
  cost[1,10,22] =  155;
  cost[1,11,22] =  187;
  cost[1,12,22] =  45;
  cost[1,13,22] =  316;
  cost[1,14,22] =  111;
  cost[1,15,22] =  96;
  cost[1,16,22] =  167;
  cost[1,17,22] =  261;
  cost[2,0,22] =  174;
  cost[2,1,22] =  182;
  cost[2,2,22] =  0;
  cost[2,3,22] =  321;
  cost[2,4,22] =  146;
  cost[2,5,22] =  34;
  cost[2,6,22] =  86;
  cost[2,7,22] =  104;
  cost[2,8,22] =  200;
  cost[2,9,22] =  197;
  cost[2,10,22] =  141;
  cost[2,11,22] =  278;
  cost[2,12,22] =  222;
  cost[2,13,22] =  26;
  cost[2,14,22] =  308;
  cost[2,15,22] =  228;
  cost[2,16,22] =  218;
  cost[2,17,22] =  167;
  cost[3,0,22] =  149;
  cost[3,1,22] =  243;
  cost[3,2,22] =  321;
  cost[3,3,22] =  0;
  cost[3,4,22] =  122;
  cost[3,5,22] =  185;
  cost[3,6,22] =  251;
  cost[3,7,22] =  139;
  cost[3,8,22] =  110;
  cost[3,9,22] =  100;
  cost[3,10,22] =  295;
  cost[3,11,22] =  297;
  cost[3,12,22] =  146;
  cost[3,13,22] =  288;
  cost[3,14,22] =  85;
  cost[3,15,22] =  242;
  cost[3,16,22] =  131;
  cost[3,17,22] =  23;
  cost[4,0,22] =  203;
  cost[4,1,22] =  227;
  cost[4,2,22] =  146;
  cost[4,3,22] =  122;
  cost[4,4,22] =  0;
  cost[4,5,22] =  128;
  cost[4,6,22] =  170;
  cost[4,7,22] =  253;
  cost[4,8,22] =  215;
  cost[4,9,22] =  274;
  cost[4,10,22] =  130;
  cost[4,11,22] =  88;
  cost[4,12,22] =  92;
  cost[4,13,22] =  85;
  cost[4,14,22] =  310;
  cost[4,15,22] =  118;
  cost[4,16,22] =  69;
  cost[4,17,22] =  214;
  cost[5,0,22] =  154;
  cost[5,1,22] =  18;
  cost[5,2,22] =  34;
  cost[5,3,22] =  185;
  cost[5,4,22] =  128;
  cost[5,5,22] =  0;
  cost[5,6,22] =  236;
  cost[5,7,22] =  38;
  cost[5,8,22] =  136;
  cost[5,9,22] =  97;
  cost[5,10,22] =  290;
  cost[5,11,22] =  276;
  cost[5,12,22] =  207;
  cost[5,13,22] =  67;
  cost[5,14,22] =  247;
  cost[5,15,22] =  181;
  cost[5,16,22] =  213;
  cost[5,17,22] =  211;
  cost[6,0,22] =  209;
  cost[6,1,22] =  103;
  cost[6,2,22] =  86;
  cost[6,3,22] =  251;
  cost[6,4,22] =  170;
  cost[6,5,22] =  236;
  cost[6,6,22] =  0;
  cost[6,7,22] =  132;
  cost[6,8,22] =  18;
  cost[6,9,22] =  290;
  cost[6,10,22] =  27;
  cost[6,11,22] =  147;
  cost[6,12,22] =  136;
  cost[6,13,22] =  280;
  cost[6,14,22] =  38;
  cost[6,15,22] =  86;
  cost[6,16,22] =  86;
  cost[6,17,22] =  126;
  cost[7,0,22] =  59;
  cost[7,1,22] =  16;
  cost[7,2,22] =  104;
  cost[7,3,22] =  139;
  cost[7,4,22] =  253;
  cost[7,5,22] =  38;
  cost[7,6,22] =  132;
  cost[7,7,22] =  0;
  cost[7,8,22] =  171;
  cost[7,9,22] =  113;
  cost[7,10,22] =  297;
  cost[7,11,22] =  241;
  cost[7,12,22] =  4;
  cost[7,13,22] =  311;
  cost[7,14,22] =  153;
  cost[7,15,22] =  43;
  cost[7,16,22] =  124;
  cost[7,17,22] =  251;
  cost[8,0,22] =  89;
  cost[8,1,22] =  248;
  cost[8,2,22] =  200;
  cost[8,3,22] =  110;
  cost[8,4,22] =  215;
  cost[8,5,22] =  136;
  cost[8,6,22] =  18;
  cost[8,7,22] =  171;
  cost[8,8,22] =  0;
  cost[8,9,22] =  76;
  cost[8,10,22] =  135;
  cost[8,11,22] =  77;
  cost[8,12,22] =  323;
  cost[8,13,22] =  316;
  cost[8,14,22] =  290;
  cost[8,15,22] =  210;
  cost[8,16,22] =  259;
  cost[8,17,22] =  99;
  cost[9,0,22] =  281;
  cost[9,1,22] =  173;
  cost[9,2,22] =  197;
  cost[9,3,22] =  100;
  cost[9,4,22] =  274;
  cost[9,5,22] =  97;
  cost[9,6,22] =  290;
  cost[9,7,22] =  113;
  cost[9,8,22] =  76;
  cost[9,9,22] =  0;
  cost[9,10,22] =  226;
  cost[9,11,22] =  126;
  cost[9,12,22] =  52;
  cost[9,13,22] =  38;
  cost[9,14,22] =  83;
  cost[9,15,22] =  91;
  cost[9,16,22] =  125;
  cost[9,17,22] =  170;
  cost[10,0,22] =  165;
  cost[10,1,22] =  155;
  cost[10,2,22] =  141;
  cost[10,3,22] =  295;
  cost[10,4,22] =  130;
  cost[10,5,22] =  290;
  cost[10,6,22] =  27;
  cost[10,7,22] =  297;
  cost[10,8,22] =  135;
  cost[10,9,22] =  226;
  cost[10,10,22] =  0;
  cost[10,11,22] =  304;
  cost[10,12,22] =  18;
  cost[10,13,22] =  7;
  cost[10,14,22] =  278;
  cost[10,15,22] =  259;
  cost[10,16,22] =  11;
  cost[10,17,22] =  266;
  cost[11,0,22] =  110;
  cost[11,1,22] =  187;
  cost[11,2,22] =  278;
  cost[11,3,22] =  297;
  cost[11,4,22] =  88;
  cost[11,5,22] =  276;
  cost[11,6,22] =  147;
  cost[11,7,22] =  241;
  cost[11,8,22] =  77;
  cost[11,9,22] =  126;
  cost[11,10,22] =  304;
  cost[11,11,22] =  0;
  cost[11,12,22] =  54;
  cost[11,13,22] =  66;
  cost[11,14,22] =  16;
  cost[11,15,22] =  64;
  cost[11,16,22] =  142;
  cost[11,17,22] =  151;
  cost[12,0,22] =  37;
  cost[12,1,22] =  45;
  cost[12,2,22] =  222;
  cost[12,3,22] =  146;
  cost[12,4,22] =  92;
  cost[12,5,22] =  207;
  cost[12,6,22] =  136;
  cost[12,7,22] =  4;
  cost[12,8,22] =  323;
  cost[12,9,22] =  52;
  cost[12,10,22] =  18;
  cost[12,11,22] =  54;
  cost[12,12,22] =  0;
  cost[12,13,22] =  142;
  cost[12,14,22] =  144;
  cost[12,15,22] =  108;
  cost[12,16,22] =  29;
  cost[12,17,22] =  80;
  cost[13,0,22] =  77;
  cost[13,1,22] =  316;
  cost[13,2,22] =  26;
  cost[13,3,22] =  288;
  cost[13,4,22] =  85;
  cost[13,5,22] =  67;
  cost[13,6,22] =  280;
  cost[13,7,22] =  311;
  cost[13,8,22] =  316;
  cost[13,9,22] =  38;
  cost[13,10,22] =  7;
  cost[13,11,22] =  66;
  cost[13,12,22] =  142;
  cost[13,13,22] =  0;
  cost[13,14,22] =  258;
  cost[13,15,22] =  306;
  cost[13,16,22] =  10;
  cost[13,17,22] =  311;
  cost[14,0,22] =  24;
  cost[14,1,22] =  111;
  cost[14,2,22] =  308;
  cost[14,3,22] =  85;
  cost[14,4,22] =  310;
  cost[14,5,22] =  247;
  cost[14,6,22] =  38;
  cost[14,7,22] =  153;
  cost[14,8,22] =  290;
  cost[14,9,22] =  83;
  cost[14,10,22] =  278;
  cost[14,11,22] =  16;
  cost[14,12,22] =  144;
  cost[14,13,22] =  258;
  cost[14,14,22] =  0;
  cost[14,15,22] =  93;
  cost[14,16,22] =  78;
  cost[14,17,22] =  147;
  cost[15,0,22] =  208;
  cost[15,1,22] =  96;
  cost[15,2,22] =  228;
  cost[15,3,22] =  242;
  cost[15,4,22] =  118;
  cost[15,5,22] =  181;
  cost[15,6,22] =  86;
  cost[15,7,22] =  43;
  cost[15,8,22] =  210;
  cost[15,9,22] =  91;
  cost[15,10,22] =  259;
  cost[15,11,22] =  64;
  cost[15,12,22] =  108;
  cost[15,13,22] =  306;
  cost[15,14,22] =  93;
  cost[15,15,22] =  0;
  cost[15,16,22] =  296;
  cost[15,17,22] =  128;
  cost[16,0,22] =  29;
  cost[16,1,22] =  167;
  cost[16,2,22] =  218;
  cost[16,3,22] =  131;
  cost[16,4,22] =  69;
  cost[16,5,22] =  213;
  cost[16,6,22] =  86;
  cost[16,7,22] =  124;
  cost[16,8,22] =  259;
  cost[16,9,22] =  125;
  cost[16,10,22] =  11;
  cost[16,11,22] =  142;
  cost[16,12,22] =  29;
  cost[16,13,22] =  10;
  cost[16,14,22] =  78;
  cost[16,15,22] =  296;
  cost[16,16,22] =  0;
  cost[16,17,22] =  304;
  cost[17,0,22] =  6;
  cost[17,1,22] =  261;
  cost[17,2,22] =  167;
  cost[17,3,22] =  23;
  cost[17,4,22] =  214;
  cost[17,5,22] =  211;
  cost[17,6,22] =  126;
  cost[17,7,22] =  251;
  cost[17,8,22] =  99;
  cost[17,9,22] =  170;
  cost[17,10,22] =  266;
  cost[17,11,22] =  151;
  cost[17,12,22] =  80;
  cost[17,13,22] =  311;
  cost[17,14,22] =  147;
  cost[17,15,22] =  128;
  cost[17,16,22] =  304;
  cost[17,17,22] =  0;
  cost[0,0,23] =  0;
  cost[0,1,23] =  315;
  cost[0,2,23] =  25;
  cost[0,3,23] =  307;
  cost[0,4,23] =  46;
  cost[0,5,23] =  91;
  cost[0,6,23] =  323;
  cost[0,7,23] =  111;
  cost[0,8,23] =  234;
  cost[0,9,23] =  151;
  cost[0,10,23] =  252;
  cost[0,11,23] =  52;
  cost[0,12,23] =  296;
  cost[0,13,23] =  37;
  cost[0,14,23] =  82;
  cost[0,15,23] =  52;
  cost[0,16,23] =  245;
  cost[0,17,23] =  17;
  cost[1,0,23] =  315;
  cost[1,1,23] =  0;
  cost[1,2,23] =  256;
  cost[1,3,23] =  4;
  cost[1,4,23] =  57;
  cost[1,5,23] =  25;
  cost[1,6,23] =  83;
  cost[1,7,23] =  204;
  cost[1,8,23] =  289;
  cost[1,9,23] =  56;
  cost[1,10,23] =  8;
  cost[1,11,23] =  248;
  cost[1,12,23] =  36;
  cost[1,13,23] =  91;
  cost[1,14,23] =  141;
  cost[1,15,23] =  28;
  cost[1,16,23] =  116;
  cost[1,17,23] =  124;
  cost[2,0,23] =  25;
  cost[2,1,23] =  256;
  cost[2,2,23] =  0;
  cost[2,3,23] =  208;
  cost[2,4,23] =  124;
  cost[2,5,23] =  186;
  cost[2,6,23] =  119;
  cost[2,7,23] =  276;
  cost[2,8,23] =  114;
  cost[2,9,23] =  172;
  cost[2,10,23] =  248;
  cost[2,11,23] =  152;
  cost[2,12,23] =  254;
  cost[2,13,23] =  301;
  cost[2,14,23] =  73;
  cost[2,15,23] =  271;
  cost[2,16,23] =  13;
  cost[2,17,23] =  5;
  cost[3,0,23] =  307;
  cost[3,1,23] =  4;
  cost[3,2,23] =  208;
  cost[3,3,23] =  0;
  cost[3,4,23] =  70;
  cost[3,5,23] =  31;
  cost[3,6,23] =  35;
  cost[3,7,23] =  274;
  cost[3,8,23] =  321;
  cost[3,9,23] =  91;
  cost[3,10,23] =  282;
  cost[3,11,23] =  245;
  cost[3,12,23] =  128;
  cost[3,13,23] =  50;
  cost[3,14,23] =  63;
  cost[3,15,23] =  156;
  cost[3,16,23] =  166;
  cost[3,17,23] =  188;
  cost[4,0,23] =  46;
  cost[4,1,23] =  57;
  cost[4,2,23] =  124;
  cost[4,3,23] =  70;
  cost[4,4,23] =  0;
  cost[4,5,23] =  51;
  cost[4,6,23] =  313;
  cost[4,7,23] =  93;
  cost[4,8,23] =  170;
  cost[4,9,23] =  265;
  cost[4,10,23] =  208;
  cost[4,11,23] =  18;
  cost[4,12,23] =  190;
  cost[4,13,23] =  37;
  cost[4,14,23] =  272;
  cost[4,15,23] =  168;
  cost[4,16,23] =  111;
  cost[4,17,23] =  220;
  cost[5,0,23] =  91;
  cost[5,1,23] =  25;
  cost[5,2,23] =  186;
  cost[5,3,23] =  31;
  cost[5,4,23] =  51;
  cost[5,5,23] =  0;
  cost[5,6,23] =  116;
  cost[5,7,23] =  172;
  cost[5,8,23] =  251;
  cost[5,9,23] =  148;
  cost[5,10,23] =  207;
  cost[5,11,23] =  202;
  cost[5,12,23] =  145;
  cost[5,13,23] =  298;
  cost[5,14,23] =  160;
  cost[5,15,23] =  67;
  cost[5,16,23] =  103;
  cost[5,17,23] =  211;
  cost[6,0,23] =  323;
  cost[6,1,23] =  83;
  cost[6,2,23] =  119;
  cost[6,3,23] =  35;
  cost[6,4,23] =  313;
  cost[6,5,23] =  116;
  cost[6,6,23] =  0;
  cost[6,7,23] =  259;
  cost[6,8,23] =  54;
  cost[6,9,23] =  318;
  cost[6,10,23] =  167;
  cost[6,11,23] =  105;
  cost[6,12,23] =  308;
  cost[6,13,23] =  261;
  cost[6,14,23] =  276;
  cost[6,15,23] =  249;
  cost[6,16,23] =  146;
  cost[6,17,23] =  294;
  cost[7,0,23] =  111;
  cost[7,1,23] =  204;
  cost[7,2,23] =  276;
  cost[7,3,23] =  274;
  cost[7,4,23] =  93;
  cost[7,5,23] =  172;
  cost[7,6,23] =  259;
  cost[7,7,23] =  0;
  cost[7,8,23] =  183;
  cost[7,9,23] =  243;
  cost[7,10,23] =  285;
  cost[7,11,23] =  294;
  cost[7,12,23] =  139;
  cost[7,13,23] =  142;
  cost[7,14,23] =  87;
  cost[7,15,23] =  311;
  cost[7,16,23] =  70;
  cost[7,17,23] =  235;
  cost[8,0,23] =  234;
  cost[8,1,23] =  289;
  cost[8,2,23] =  114;
  cost[8,3,23] =  321;
  cost[8,4,23] =  170;
  cost[8,5,23] =  251;
  cost[8,6,23] =  54;
  cost[8,7,23] =  183;
  cost[8,8,23] =  0;
  cost[8,9,23] =  272;
  cost[8,10,23] =  57;
  cost[8,11,23] =  170;
  cost[8,12,23] =  109;
  cost[8,13,23] =  125;
  cost[8,14,23] =  273;
  cost[8,15,23] =  320;
  cost[8,16,23] =  255;
  cost[8,17,23] =  208;
  cost[9,0,23] =  151;
  cost[9,1,23] =  56;
  cost[9,2,23] =  172;
  cost[9,3,23] =  91;
  cost[9,4,23] =  265;
  cost[9,5,23] =  148;
  cost[9,6,23] =  318;
  cost[9,7,23] =  243;
  cost[9,8,23] =  272;
  cost[9,9,23] =  0;
  cost[9,10,23] =  250;
  cost[9,11,23] =  52;
  cost[9,12,23] =  156;
  cost[9,13,23] =  234;
  cost[9,14,23] =  313;
  cost[9,15,23] =  108;
  cost[9,16,23] =  160;
  cost[9,17,23] =  136;
  cost[10,0,23] =  252;
  cost[10,1,23] =  8;
  cost[10,2,23] =  248;
  cost[10,3,23] =  282;
  cost[10,4,23] =  208;
  cost[10,5,23] =  207;
  cost[10,6,23] =  167;
  cost[10,7,23] =  285;
  cost[10,8,23] =  57;
  cost[10,9,23] =  250;
  cost[10,10,23] =  0;
  cost[10,11,23] =  277;
  cost[10,12,23] =  319;
  cost[10,13,23] =  322;
  cost[10,14,23] =  238;
  cost[10,15,23] =  290;
  cost[10,16,23] =  138;
  cost[10,17,23] =  57;
  cost[11,0,23] =  52;
  cost[11,1,23] =  248;
  cost[11,2,23] =  152;
  cost[11,3,23] =  245;
  cost[11,4,23] =  18;
  cost[11,5,23] =  202;
  cost[11,6,23] =  105;
  cost[11,7,23] =  294;
  cost[11,8,23] =  170;
  cost[11,9,23] =  52;
  cost[11,10,23] =  277;
  cost[11,11,23] =  0;
  cost[11,12,23] =  125;
  cost[11,13,23] =  127;
  cost[11,14,23] =  290;
  cost[11,15,23] =  321;
  cost[11,16,23] =  75;
  cost[11,17,23] =  23;
  cost[12,0,23] =  296;
  cost[12,1,23] =  36;
  cost[12,2,23] =  254;
  cost[12,3,23] =  128;
  cost[12,4,23] =  190;
  cost[12,5,23] =  145;
  cost[12,6,23] =  308;
  cost[12,7,23] =  139;
  cost[12,8,23] =  109;
  cost[12,9,23] =  156;
  cost[12,10,23] =  319;
  cost[12,11,23] =  125;
  cost[12,12,23] =  0;
  cost[12,13,23] =  184;
  cost[12,14,23] =  148;
  cost[12,15,23] =  116;
  cost[12,16,23] =  181;
  cost[12,17,23] =  80;
  cost[13,0,23] =  37;
  cost[13,1,23] =  91;
  cost[13,2,23] =  301;
  cost[13,3,23] =  50;
  cost[13,4,23] =  37;
  cost[13,5,23] =  298;
  cost[13,6,23] =  261;
  cost[13,7,23] =  142;
  cost[13,8,23] =  125;
  cost[13,9,23] =  234;
  cost[13,10,23] =  322;
  cost[13,11,23] =  127;
  cost[13,12,23] =  184;
  cost[13,13,23] =  0;
  cost[13,14,23] =  232;
  cost[13,15,23] =  7;
  cost[13,16,23] =  53;
  cost[13,17,23] =  64;
  cost[14,0,23] =  82;
  cost[14,1,23] =  141;
  cost[14,2,23] =  73;
  cost[14,3,23] =  63;
  cost[14,4,23] =  272;
  cost[14,5,23] =  160;
  cost[14,6,23] =  276;
  cost[14,7,23] =  87;
  cost[14,8,23] =  273;
  cost[14,9,23] =  313;
  cost[14,10,23] =  238;
  cost[14,11,23] =  290;
  cost[14,12,23] =  148;
  cost[14,13,23] =  232;
  cost[14,14,23] =  0;
  cost[14,15,23] =  43;
  cost[14,16,23] =  172;
  cost[14,17,23] =  78;
  cost[15,0,23] =  52;
  cost[15,1,23] =  28;
  cost[15,2,23] =  271;
  cost[15,3,23] =  156;
  cost[15,4,23] =  168;
  cost[15,5,23] =  67;
  cost[15,6,23] =  249;
  cost[15,7,23] =  311;
  cost[15,8,23] =  320;
  cost[15,9,23] =  108;
  cost[15,10,23] =  290;
  cost[15,11,23] =  321;
  cost[15,12,23] =  116;
  cost[15,13,23] =  7;
  cost[15,14,23] =  43;
  cost[15,15,23] =  0;
  cost[15,16,23] =  251;
  cost[15,17,23] =  32;
  cost[16,0,23] =  245;
  cost[16,1,23] =  116;
  cost[16,2,23] =  13;
  cost[16,3,23] =  166;
  cost[16,4,23] =  111;
  cost[16,5,23] =  103;
  cost[16,6,23] =  146;
  cost[16,7,23] =  70;
  cost[16,8,23] =  255;
  cost[16,9,23] =  160;
  cost[16,10,23] =  138;
  cost[16,11,23] =  75;
  cost[16,12,23] =  181;
  cost[16,13,23] =  53;
  cost[16,14,23] =  172;
  cost[16,15,23] =  251;
  cost[16,16,23] =  0;
  cost[16,17,23] =  250;
  cost[17,0,23] =  17;
  cost[17,1,23] =  124;
  cost[17,2,23] =  5;
  cost[17,3,23] =  188;
  cost[17,4,23] =  220;
  cost[17,5,23] =  211;
  cost[17,6,23] =  294;
  cost[17,7,23] =  235;
  cost[17,8,23] =  208;
  cost[17,9,23] =  136;
  cost[17,10,23] =  57;
  cost[17,11,23] =  23;
  cost[17,12,23] =  80;
  cost[17,13,23] =  64;
  cost[17,14,23] =  78;
  cost[17,15,23] =  32;
  cost[17,16,23] =  250;
  cost[17,17,23] =  0;
  cost[0,0,24] =  0;
  cost[0,1,24] =  64;
  cost[0,2,24] =  3;
  cost[0,3,24] =  196;
  cost[0,4,24] =  190;
  cost[0,5,24] =  131;
  cost[0,6,24] =  162;
  cost[0,7,24] =  187;
  cost[0,8,24] =  206;
  cost[0,9,24] =  186;
  cost[0,10,24] =  30;
  cost[0,11,24] =  67;
  cost[0,12,24] =  11;
  cost[0,13,24] =  146;
  cost[0,14,24] =  249;
  cost[0,15,24] =  91;
  cost[0,16,24] =  148;
  cost[0,17,24] =  157;
  cost[1,0,24] =  64;
  cost[1,1,24] =  0;
  cost[1,2,24] =  201;
  cost[1,3,24] =  221;
  cost[1,4,24] =  17;
  cost[1,5,24] =  244;
  cost[1,6,24] =  70;
  cost[1,7,24] =  95;
  cost[1,8,24] =  100;
  cost[1,9,24] =  322;
  cost[1,10,24] =  128;
  cost[1,11,24] =  275;
  cost[1,12,24] =  248;
  cost[1,13,24] =  74;
  cost[1,14,24] =  93;
  cost[1,15,24] =  313;
  cost[1,16,24] =  78;
  cost[1,17,24] =  289;
  cost[2,0,24] =  3;
  cost[2,1,24] =  201;
  cost[2,2,24] =  0;
  cost[2,3,24] =  209;
  cost[2,4,24] =  127;
  cost[2,5,24] =  43;
  cost[2,6,24] =  92;
  cost[2,7,24] =  313;
  cost[2,8,24] =  73;
  cost[2,9,24] =  160;
  cost[2,10,24] =  0;
  cost[2,11,24] =  220;
  cost[2,12,24] =  85;
  cost[2,13,24] =  92;
  cost[2,14,24] =  44;
  cost[2,15,24] =  243;
  cost[2,16,24] =  191;
  cost[2,17,24] =  246;
  cost[3,0,24] =  196;
  cost[3,1,24] =  221;
  cost[3,2,24] =  209;
  cost[3,3,24] =  0;
  cost[3,4,24] =  208;
  cost[3,5,24] =  166;
  cost[3,6,24] =  211;
  cost[3,7,24] =  304;
  cost[3,8,24] =  267;
  cost[3,9,24] =  210;
  cost[3,10,24] =  108;
  cost[3,11,24] =  218;
  cost[3,12,24] =  134;
  cost[3,13,24] =  183;
  cost[3,14,24] =  311;
  cost[3,15,24] =  123;
  cost[3,16,24] =  262;
  cost[3,17,24] =  277;
  cost[4,0,24] =  190;
  cost[4,1,24] =  17;
  cost[4,2,24] =  127;
  cost[4,3,24] =  208;
  cost[4,4,24] =  0;
  cost[4,5,24] =  147;
  cost[4,6,24] =  80;
  cost[4,7,24] =  22;
  cost[4,8,24] =  240;
  cost[4,9,24] =  70;
  cost[4,10,24] =  96;
  cost[4,11,24] =  76;
  cost[4,12,24] =  71;
  cost[4,13,24] =  317;
  cost[4,14,24] =  162;
  cost[4,15,24] =  163;
  cost[4,16,24] =  38;
  cost[4,17,24] =  81;
  cost[5,0,24] =  131;
  cost[5,1,24] =  244;
  cost[5,2,24] =  43;
  cost[5,3,24] =  166;
  cost[5,4,24] =  147;
  cost[5,5,24] =  0;
  cost[5,6,24] =  284;
  cost[5,7,24] =  222;
  cost[5,8,24] =  239;
  cost[5,9,24] =  127;
  cost[5,10,24] =  110;
  cost[5,11,24] =  220;
  cost[5,12,24] =  70;
  cost[5,13,24] =  320;
  cost[5,14,24] =  5;
  cost[5,15,24] =  288;
  cost[5,16,24] =  131;
  cost[5,17,24] =  188;
  cost[6,0,24] =  162;
  cost[6,1,24] =  70;
  cost[6,2,24] =  92;
  cost[6,3,24] =  211;
  cost[6,4,24] =  80;
  cost[6,5,24] =  284;
  cost[6,6,24] =  0;
  cost[6,7,24] =  255;
  cost[6,8,24] =  126;
  cost[6,9,24] =  229;
  cost[6,10,24] =  234;
  cost[6,11,24] =  274;
  cost[6,12,24] =  310;
  cost[6,13,24] =  257;
  cost[6,14,24] =  190;
  cost[6,15,24] =  56;
  cost[6,16,24] =  30;
  cost[6,17,24] =  267;
  cost[7,0,24] =  187;
  cost[7,1,24] =  95;
  cost[7,2,24] =  313;
  cost[7,3,24] =  304;
  cost[7,4,24] =  22;
  cost[7,5,24] =  222;
  cost[7,6,24] =  255;
  cost[7,7,24] =  0;
  cost[7,8,24] =  23;
  cost[7,9,24] =  106;
  cost[7,10,24] =  291;
  cost[7,11,24] =  61;
  cost[7,12,24] =  188;
  cost[7,13,24] =  322;
  cost[7,14,24] =  22;
  cost[7,15,24] =  86;
  cost[7,16,24] =  238;
  cost[7,17,24] =  149;
  cost[8,0,24] =  206;
  cost[8,1,24] =  100;
  cost[8,2,24] =  73;
  cost[8,3,24] =  267;
  cost[8,4,24] =  240;
  cost[8,5,24] =  239;
  cost[8,6,24] =  126;
  cost[8,7,24] =  23;
  cost[8,8,24] =  0;
  cost[8,9,24] =  134;
  cost[8,10,24] =  220;
  cost[8,11,24] =  193;
  cost[8,12,24] =  139;
  cost[8,13,24] =  185;
  cost[8,14,24] =  1;
  cost[8,15,24] =  4;
  cost[8,16,24] =  137;
  cost[8,17,24] =  256;
  cost[9,0,24] =  186;
  cost[9,1,24] =  322;
  cost[9,2,24] =  160;
  cost[9,3,24] =  210;
  cost[9,4,24] =  70;
  cost[9,5,24] =  127;
  cost[9,6,24] =  229;
  cost[9,7,24] =  106;
  cost[9,8,24] =  134;
  cost[9,9,24] =  0;
  cost[9,10,24] =  43;
  cost[9,11,24] =  167;
  cost[9,12,24] =  81;
  cost[9,13,24] =  29;
  cost[9,14,24] =  100;
  cost[9,15,24] =  272;
  cost[9,16,24] =  86;
  cost[9,17,24] =  130;
  cost[10,0,24] =  30;
  cost[10,1,24] =  128;
  cost[10,2,24] =  0;
  cost[10,3,24] =  108;
  cost[10,4,24] =  96;
  cost[10,5,24] =  110;
  cost[10,6,24] =  234;
  cost[10,7,24] =  291;
  cost[10,8,24] =  220;
  cost[10,9,24] =  43;
  cost[10,10,24] =  0;
  cost[10,11,24] =  213;
  cost[10,12,24] =  154;
  cost[10,13,24] =  323;
  cost[10,14,24] =  180;
  cost[10,15,24] =  215;
  cost[10,16,24] =  187;
  cost[10,17,24] =  179;
  cost[11,0,24] =  67;
  cost[11,1,24] =  275;
  cost[11,2,24] =  220;
  cost[11,3,24] =  218;
  cost[11,4,24] =  76;
  cost[11,5,24] =  220;
  cost[11,6,24] =  274;
  cost[11,7,24] =  61;
  cost[11,8,24] =  193;
  cost[11,9,24] =  167;
  cost[11,10,24] =  213;
  cost[11,11,24] =  0;
  cost[11,12,24] =  274;
  cost[11,13,24] =  93;
  cost[11,14,24] =  63;
  cost[11,15,24] =  147;
  cost[11,16,24] =  227;
  cost[11,17,24] =  284;
  cost[12,0,24] =  11;
  cost[12,1,24] =  248;
  cost[12,2,24] =  85;
  cost[12,3,24] =  134;
  cost[12,4,24] =  71;
  cost[12,5,24] =  70;
  cost[12,6,24] =  310;
  cost[12,7,24] =  188;
  cost[12,8,24] =  139;
  cost[12,9,24] =  81;
  cost[12,10,24] =  154;
  cost[12,11,24] =  274;
  cost[12,12,24] =  0;
  cost[12,13,24] =  43;
  cost[12,14,24] =  145;
  cost[12,15,24] =  18;
  cost[12,16,24] =  48;
  cost[12,17,24] =  283;
  cost[13,0,24] =  146;
  cost[13,1,24] =  74;
  cost[13,2,24] =  92;
  cost[13,3,24] =  183;
  cost[13,4,24] =  317;
  cost[13,5,24] =  320;
  cost[13,6,24] =  257;
  cost[13,7,24] =  322;
  cost[13,8,24] =  185;
  cost[13,9,24] =  29;
  cost[13,10,24] =  323;
  cost[13,11,24] =  93;
  cost[13,12,24] =  43;
  cost[13,13,24] =  0;
  cost[13,14,24] =  179;
  cost[13,15,24] =  3;
  cost[13,16,24] =  117;
  cost[13,17,24] =  261;
  cost[14,0,24] =  249;
  cost[14,1,24] =  93;
  cost[14,2,24] =  44;
  cost[14,3,24] =  311;
  cost[14,4,24] =  162;
  cost[14,5,24] =  5;
  cost[14,6,24] =  190;
  cost[14,7,24] =  22;
  cost[14,8,24] =  1;
  cost[14,9,24] =  100;
  cost[14,10,24] =  180;
  cost[14,11,24] =  63;
  cost[14,12,24] =  145;
  cost[14,13,24] =  179;
  cost[14,14,24] =  0;
  cost[14,15,24] =  218;
  cost[14,16,24] =  210;
  cost[14,17,24] =  119;
  cost[15,0,24] =  91;
  cost[15,1,24] =  313;
  cost[15,2,24] =  243;
  cost[15,3,24] =  123;
  cost[15,4,24] =  163;
  cost[15,5,24] =  288;
  cost[15,6,24] =  56;
  cost[15,7,24] =  86;
  cost[15,8,24] =  4;
  cost[15,9,24] =  272;
  cost[15,10,24] =  215;
  cost[15,11,24] =  147;
  cost[15,12,24] =  18;
  cost[15,13,24] =  3;
  cost[15,14,24] =  218;
  cost[15,15,24] =  0;
  cost[15,16,24] =  103;
  cost[15,17,24] =  9;
  cost[16,0,24] =  148;
  cost[16,1,24] =  78;
  cost[16,2,24] =  191;
  cost[16,3,24] =  262;
  cost[16,4,24] =  38;
  cost[16,5,24] =  131;
  cost[16,6,24] =  30;
  cost[16,7,24] =  238;
  cost[16,8,24] =  137;
  cost[16,9,24] =  86;
  cost[16,10,24] =  187;
  cost[16,11,24] =  227;
  cost[16,12,24] =  48;
  cost[16,13,24] =  117;
  cost[16,14,24] =  210;
  cost[16,15,24] =  103;
  cost[16,16,24] =  0;
  cost[16,17,24] =  102;
  cost[17,0,24] =  157;
  cost[17,1,24] =  289;
  cost[17,2,24] =  246;
  cost[17,3,24] =  277;
  cost[17,4,24] =  81;
  cost[17,5,24] =  188;
  cost[17,6,24] =  267;
  cost[17,7,24] =  149;
  cost[17,8,24] =  256;
  cost[17,9,24] =  130;
  cost[17,10,24] =  179;
  cost[17,11,24] =  284;
  cost[17,12,24] =  283;
  cost[17,13,24] =  261;
  cost[17,14,24] =  119;
  cost[17,15,24] =  9;
  cost[17,16,24] =  102;
  cost[17,17,24] =  0;
  cost[0,0,25] =  0;
  cost[0,1,25] =  290;
  cost[0,2,25] =  45;
  cost[0,3,25] =  309;
  cost[0,4,25] =  240;
  cost[0,5,25] =  138;
  cost[0,6,25] =  49;
  cost[0,7,25] =  64;
  cost[0,8,25] =  42;
  cost[0,9,25] =  9;
  cost[0,10,25] =  81;
  cost[0,11,25] =  86;
  cost[0,12,25] =  155;
  cost[0,13,25] =  99;
  cost[0,14,25] =  134;
  cost[0,15,25] =  114;
  cost[0,16,25] =  50;
  cost[0,17,25] =  314;
  cost[1,0,25] =  290;
  cost[1,1,25] =  0;
  cost[1,2,25] =  168;
  cost[1,3,25] =  252;
  cost[1,4,25] =  151;
  cost[1,5,25] =  63;
  cost[1,6,25] =  139;
  cost[1,7,25] =  270;
  cost[1,8,25] =  88;
  cost[1,9,25] =  243;
  cost[1,10,25] =  279;
  cost[1,11,25] =  268;
  cost[1,12,25] =  22;
  cost[1,13,25] =  145;
  cost[1,14,25] =  15;
  cost[1,15,25] =  312;
  cost[1,16,25] =  190;
  cost[1,17,25] =  0;
  cost[2,0,25] =  45;
  cost[2,1,25] =  168;
  cost[2,2,25] =  0;
  cost[2,3,25] =  4;
  cost[2,4,25] =  50;
  cost[2,5,25] =  293;
  cost[2,6,25] =  47;
  cost[2,7,25] =  59;
  cost[2,8,25] =  50;
  cost[2,9,25] =  133;
  cost[2,10,25] =  214;
  cost[2,11,25] =  150;
  cost[2,12,25] =  268;
  cost[2,13,25] =  5;
  cost[2,14,25] =  201;
  cost[2,15,25] =  259;
  cost[2,16,25] =  123;
  cost[2,17,25] =  46;
  cost[3,0,25] =  309;
  cost[3,1,25] =  252;
  cost[3,2,25] =  4;
  cost[3,3,25] =  0;
  cost[3,4,25] =  274;
  cost[3,5,25] =  109;
  cost[3,6,25] =  3;
  cost[3,7,25] =  221;
  cost[3,8,25] =  198;
  cost[3,9,25] =  246;
  cost[3,10,25] =  176;
  cost[3,11,25] =  142;
  cost[3,12,25] =  268;
  cost[3,13,25] =  321;
  cost[3,14,25] =  158;
  cost[3,15,25] =  257;
  cost[3,16,25] =  188;
  cost[3,17,25] =  159;
  cost[4,0,25] =  240;
  cost[4,1,25] =  151;
  cost[4,2,25] =  50;
  cost[4,3,25] =  274;
  cost[4,4,25] =  0;
  cost[4,5,25] =  192;
  cost[4,6,25] =  209;
  cost[4,7,25] =  131;
  cost[4,8,25] =  239;
  cost[4,9,25] =  269;
  cost[4,10,25] =  181;
  cost[4,11,25] =  48;
  cost[4,12,25] =  160;
  cost[4,13,25] =  8;
  cost[4,14,25] =  317;
  cost[4,15,25] =  166;
  cost[4,16,25] =  209;
  cost[4,17,25] =  252;
  cost[5,0,25] =  138;
  cost[5,1,25] =  63;
  cost[5,2,25] =  293;
  cost[5,3,25] =  109;
  cost[5,4,25] =  192;
  cost[5,5,25] =  0;
  cost[5,6,25] =  255;
  cost[5,7,25] =  115;
  cost[5,8,25] =  240;
  cost[5,9,25] =  41;
  cost[5,10,25] =  119;
  cost[5,11,25] =  137;
  cost[5,12,25] =  239;
  cost[5,13,25] =  41;
  cost[5,14,25] =  314;
  cost[5,15,25] =  58;
  cost[5,16,25] =  310;
  cost[5,17,25] =  312;
  cost[6,0,25] =  49;
  cost[6,1,25] =  139;
  cost[6,2,25] =  47;
  cost[6,3,25] =  3;
  cost[6,4,25] =  209;
  cost[6,5,25] =  255;
  cost[6,6,25] =  0;
  cost[6,7,25] =  243;
  cost[6,8,25] =  176;
  cost[6,9,25] =  52;
  cost[6,10,25] =  81;
  cost[6,11,25] =  44;
  cost[6,12,25] =  262;
  cost[6,13,25] =  212;
  cost[6,14,25] =  284;
  cost[6,15,25] =  207;
  cost[6,16,25] =  70;
  cost[6,17,25] =  9;
  cost[7,0,25] =  64;
  cost[7,1,25] =  270;
  cost[7,2,25] =  59;
  cost[7,3,25] =  221;
  cost[7,4,25] =  131;
  cost[7,5,25] =  115;
  cost[7,6,25] =  243;
  cost[7,7,25] =  0;
  cost[7,8,25] =  78;
  cost[7,9,25] =  2;
  cost[7,10,25] =  209;
  cost[7,11,25] =  288;
  cost[7,12,25] =  254;
  cost[7,13,25] =  175;
  cost[7,14,25] =  220;
  cost[7,15,25] =  46;
  cost[7,16,25] =  92;
  cost[7,17,25] =  261;
  cost[8,0,25] =  42;
  cost[8,1,25] =  88;
  cost[8,2,25] =  50;
  cost[8,3,25] =  198;
  cost[8,4,25] =  239;
  cost[8,5,25] =  240;
  cost[8,6,25] =  176;
  cost[8,7,25] =  78;
  cost[8,8,25] =  0;
  cost[8,9,25] =  230;
  cost[8,10,25] =  177;
  cost[8,11,25] =  208;
  cost[8,12,25] =  220;
  cost[8,13,25] =  235;
  cost[8,14,25] =  194;
  cost[8,15,25] =  209;
  cost[8,16,25] =  128;
  cost[8,17,25] =  114;
  cost[9,0,25] =  9;
  cost[9,1,25] =  243;
  cost[9,2,25] =  133;
  cost[9,3,25] =  246;
  cost[9,4,25] =  269;
  cost[9,5,25] =  41;
  cost[9,6,25] =  52;
  cost[9,7,25] =  2;
  cost[9,8,25] =  230;
  cost[9,9,25] =  0;
  cost[9,10,25] =  181;
  cost[9,11,25] =  196;
  cost[9,12,25] =  106;
  cost[9,13,25] =  119;
  cost[9,14,25] =  84;
  cost[9,15,25] =  67;
  cost[9,16,25] =  2;
  cost[9,17,25] =  155;
  cost[10,0,25] =  81;
  cost[10,1,25] =  279;
  cost[10,2,25] =  214;
  cost[10,3,25] =  176;
  cost[10,4,25] =  181;
  cost[10,5,25] =  119;
  cost[10,6,25] =  81;
  cost[10,7,25] =  209;
  cost[10,8,25] =  177;
  cost[10,9,25] =  181;
  cost[10,10,25] =  0;
  cost[10,11,25] =  46;
  cost[10,12,25] =  233;
  cost[10,13,25] =  79;
  cost[10,14,25] =  256;
  cost[10,15,25] =  198;
  cost[10,16,25] =  10;
  cost[10,17,25] =  108;
  cost[11,0,25] =  86;
  cost[11,1,25] =  268;
  cost[11,2,25] =  150;
  cost[11,3,25] =  142;
  cost[11,4,25] =  48;
  cost[11,5,25] =  137;
  cost[11,6,25] =  44;
  cost[11,7,25] =  288;
  cost[11,8,25] =  208;
  cost[11,9,25] =  196;
  cost[11,10,25] =  46;
  cost[11,11,25] =  0;
  cost[11,12,25] =  57;
  cost[11,13,25] =  200;
  cost[11,14,25] =  31;
  cost[11,15,25] =  223;
  cost[11,16,25] =  106;
  cost[11,17,25] =  209;
  cost[12,0,25] =  155;
  cost[12,1,25] =  22;
  cost[12,2,25] =  268;
  cost[12,3,25] =  268;
  cost[12,4,25] =  160;
  cost[12,5,25] =  239;
  cost[12,6,25] =  262;
  cost[12,7,25] =  254;
  cost[12,8,25] =  220;
  cost[12,9,25] =  106;
  cost[12,10,25] =  233;
  cost[12,11,25] =  57;
  cost[12,12,25] =  0;
  cost[12,13,25] =  3;
  cost[12,14,25] =  121;
  cost[12,15,25] =  302;
  cost[12,16,25] =  212;
  cost[12,17,25] =  249;
  cost[13,0,25] =  99;
  cost[13,1,25] =  145;
  cost[13,2,25] =  5;
  cost[13,3,25] =  321;
  cost[13,4,25] =  8;
  cost[13,5,25] =  41;
  cost[13,6,25] =  212;
  cost[13,7,25] =  175;
  cost[13,8,25] =  235;
  cost[13,9,25] =  119;
  cost[13,10,25] =  79;
  cost[13,11,25] =  200;
  cost[13,12,25] =  3;
  cost[13,13,25] =  0;
  cost[13,14,25] =  274;
  cost[13,15,25] =  107;
  cost[13,16,25] =  288;
  cost[13,17,25] =  56;
  cost[14,0,25] =  134;
  cost[14,1,25] =  15;
  cost[14,2,25] =  201;
  cost[14,3,25] =  158;
  cost[14,4,25] =  317;
  cost[14,5,25] =  314;
  cost[14,6,25] =  284;
  cost[14,7,25] =  220;
  cost[14,8,25] =  194;
  cost[14,9,25] =  84;
  cost[14,10,25] =  256;
  cost[14,11,25] =  31;
  cost[14,12,25] =  121;
  cost[14,13,25] =  274;
  cost[14,14,25] =  0;
  cost[14,15,25] =  49;
  cost[14,16,25] =  124;
  cost[14,17,25] =  229;
  cost[15,0,25] =  114;
  cost[15,1,25] =  312;
  cost[15,2,25] =  259;
  cost[15,3,25] =  257;
  cost[15,4,25] =  166;
  cost[15,5,25] =  58;
  cost[15,6,25] =  207;
  cost[15,7,25] =  46;
  cost[15,8,25] =  209;
  cost[15,9,25] =  67;
  cost[15,10,25] =  198;
  cost[15,11,25] =  223;
  cost[15,12,25] =  302;
  cost[15,13,25] =  107;
  cost[15,14,25] =  49;
  cost[15,15,25] =  0;
  cost[15,16,25] =  200;
  cost[15,17,25] =  276;
  cost[16,0,25] =  50;
  cost[16,1,25] =  190;
  cost[16,2,25] =  123;
  cost[16,3,25] =  188;
  cost[16,4,25] =  209;
  cost[16,5,25] =  310;
  cost[16,6,25] =  70;
  cost[16,7,25] =  92;
  cost[16,8,25] =  128;
  cost[16,9,25] =  2;
  cost[16,10,25] =  10;
  cost[16,11,25] =  106;
  cost[16,12,25] =  212;
  cost[16,13,25] =  288;
  cost[16,14,25] =  124;
  cost[16,15,25] =  200;
  cost[16,16,25] =  0;
  cost[16,17,25] =  280;
  cost[17,0,25] =  314;
  cost[17,1,25] =  0;
  cost[17,2,25] =  46;
  cost[17,3,25] =  159;
  cost[17,4,25] =  252;
  cost[17,5,25] =  312;
  cost[17,6,25] =  9;
  cost[17,7,25] =  261;
  cost[17,8,25] =  114;
  cost[17,9,25] =  155;
  cost[17,10,25] =  108;
  cost[17,11,25] =  209;
  cost[17,12,25] =  249;
  cost[17,13,25] =  56;
  cost[17,14,25] =  229;
  cost[17,15,25] =  276;
  cost[17,16,25] =  280;
  cost[17,17,25] =  0;
  cost[0,0,26] =  0;
  cost[0,1,26] =  290;
  cost[0,2,26] =  316;
  cost[0,3,26] =  83;
  cost[0,4,26] =  24;
  cost[0,5,26] =  193;
  cost[0,6,26] =  115;
  cost[0,7,26] =  247;
  cost[0,8,26] =  300;
  cost[0,9,26] =  0;
  cost[0,10,26] =  31;
  cost[0,11,26] =  304;
  cost[0,12,26] =  121;
  cost[0,13,26] =  9;
  cost[0,14,26] =  192;
  cost[0,15,26] =  47;
  cost[0,16,26] =  102;
  cost[0,17,26] =  143;
  cost[1,0,26] =  290;
  cost[1,1,26] =  0;
  cost[1,2,26] =  67;
  cost[1,3,26] =  200;
  cost[1,4,26] =  57;
  cost[1,5,26] =  116;
  cost[1,6,26] =  0;
  cost[1,7,26] =  287;
  cost[1,8,26] =  321;
  cost[1,9,26] =  201;
  cost[1,10,26] =  239;
  cost[1,11,26] =  112;
  cost[1,12,26] =  157;
  cost[1,13,26] =  124;
  cost[1,14,26] =  101;
  cost[1,15,26] =  124;
  cost[1,16,26] =  117;
  cost[1,17,26] =  185;
  cost[2,0,26] =  316;
  cost[2,1,26] =  67;
  cost[2,2,26] =  0;
  cost[2,3,26] =  310;
  cost[2,4,26] =  300;
  cost[2,5,26] =  72;
  cost[2,6,26] =  286;
  cost[2,7,26] =  301;
  cost[2,8,26] =  103;
  cost[2,9,26] =  267;
  cost[2,10,26] =  99;
  cost[2,11,26] =  113;
  cost[2,12,26] =  136;
  cost[2,13,26] =  146;
  cost[2,14,26] =  215;
  cost[2,15,26] =  279;
  cost[2,16,26] =  301;
  cost[2,17,26] =  282;
  cost[3,0,26] =  83;
  cost[3,1,26] =  200;
  cost[3,2,26] =  310;
  cost[3,3,26] =  0;
  cost[3,4,26] =  35;
  cost[3,5,26] =  75;
  cost[3,6,26] =  156;
  cost[3,7,26] =  322;
  cost[3,8,26] =  73;
  cost[3,9,26] =  33;
  cost[3,10,26] =  238;
  cost[3,11,26] =  186;
  cost[3,12,26] =  190;
  cost[3,13,26] =  39;
  cost[3,14,26] =  287;
  cost[3,15,26] =  314;
  cost[3,16,26] =  156;
  cost[3,17,26] =  148;
  cost[4,0,26] =  24;
  cost[4,1,26] =  57;
  cost[4,2,26] =  300;
  cost[4,3,26] =  35;
  cost[4,4,26] =  0;
  cost[4,5,26] =  143;
  cost[4,6,26] =  125;
  cost[4,7,26] =  211;
  cost[4,8,26] =  106;
  cost[4,9,26] =  102;
  cost[4,10,26] =  315;
  cost[4,11,26] =  49;
  cost[4,12,26] =  201;
  cost[4,13,26] =  104;
  cost[4,14,26] =  185;
  cost[4,15,26] =  24;
  cost[4,16,26] =  319;
  cost[4,17,26] =  140;
  cost[5,0,26] =  193;
  cost[5,1,26] =  116;
  cost[5,2,26] =  72;
  cost[5,3,26] =  75;
  cost[5,4,26] =  143;
  cost[5,5,26] =  0;
  cost[5,6,26] =  278;
  cost[5,7,26] =  296;
  cost[5,8,26] =  38;
  cost[5,9,26] =  30;
  cost[5,10,26] =  128;
  cost[5,11,26] =  37;
  cost[5,12,26] =  103;
  cost[5,13,26] =  161;
  cost[5,14,26] =  275;
  cost[5,15,26] =  289;
  cost[5,16,26] =  28;
  cost[5,17,26] =  314;
  cost[6,0,26] =  115;
  cost[6,1,26] =  0;
  cost[6,2,26] =  286;
  cost[6,3,26] =  156;
  cost[6,4,26] =  125;
  cost[6,5,26] =  278;
  cost[6,6,26] =  0;
  cost[6,7,26] =  19;
  cost[6,8,26] =  147;
  cost[6,9,26] =  78;
  cost[6,10,26] =  158;
  cost[6,11,26] =  290;
  cost[6,12,26] =  203;
  cost[6,13,26] =  46;
  cost[6,14,26] =  72;
  cost[6,15,26] =  306;
  cost[6,16,26] =  37;
  cost[6,17,26] =  121;
  cost[7,0,26] =  247;
  cost[7,1,26] =  287;
  cost[7,2,26] =  301;
  cost[7,3,26] =  322;
  cost[7,4,26] =  211;
  cost[7,5,26] =  296;
  cost[7,6,26] =  19;
  cost[7,7,26] =  0;
  cost[7,8,26] =  141;
  cost[7,9,26] =  306;
  cost[7,10,26] =  208;
  cost[7,11,26] =  137;
  cost[7,12,26] =  123;
  cost[7,13,26] =  211;
  cost[7,14,26] =  92;
  cost[7,15,26] =  95;
  cost[7,16,26] =  249;
  cost[7,17,26] =  122;
  cost[8,0,26] =  300;
  cost[8,1,26] =  321;
  cost[8,2,26] =  103;
  cost[8,3,26] =  73;
  cost[8,4,26] =  106;
  cost[8,5,26] =  38;
  cost[8,6,26] =  147;
  cost[8,7,26] =  141;
  cost[8,8,26] =  0;
  cost[8,9,26] =  286;
  cost[8,10,26] =  226;
  cost[8,11,26] =  61;
  cost[8,12,26] =  238;
  cost[8,13,26] =  192;
  cost[8,14,26] =  89;
  cost[8,15,26] =  228;
  cost[8,16,26] =  121;
  cost[8,17,26] =  108;
  cost[9,0,26] =  0;
  cost[9,1,26] =  201;
  cost[9,2,26] =  267;
  cost[9,3,26] =  33;
  cost[9,4,26] =  102;
  cost[9,5,26] =  30;
  cost[9,6,26] =  78;
  cost[9,7,26] =  306;
  cost[9,8,26] =  286;
  cost[9,9,26] =  0;
  cost[9,10,26] =  200;
  cost[9,11,26] =  267;
  cost[9,12,26] =  18;
  cost[9,13,26] =  79;
  cost[9,14,26] =  313;
  cost[9,15,26] =  90;
  cost[9,16,26] =  62;
  cost[9,17,26] =  26;
  cost[10,0,26] =  31;
  cost[10,1,26] =  239;
  cost[10,2,26] =  99;
  cost[10,3,26] =  238;
  cost[10,4,26] =  315;
  cost[10,5,26] =  128;
  cost[10,6,26] =  158;
  cost[10,7,26] =  208;
  cost[10,8,26] =  226;
  cost[10,9,26] =  200;
  cost[10,10,26] =  0;
  cost[10,11,26] =  246;
  cost[10,12,26] =  168;
  cost[10,13,26] =  194;
  cost[10,14,26] =  131;
  cost[10,15,26] =  306;
  cost[10,16,26] =  318;
  cost[10,17,26] =  18;
  cost[11,0,26] =  304;
  cost[11,1,26] =  112;
  cost[11,2,26] =  113;
  cost[11,3,26] =  186;
  cost[11,4,26] =  49;
  cost[11,5,26] =  37;
  cost[11,6,26] =  290;
  cost[11,7,26] =  137;
  cost[11,8,26] =  61;
  cost[11,9,26] =  267;
  cost[11,10,26] =  246;
  cost[11,11,26] =  0;
  cost[11,12,26] =  89;
  cost[11,13,26] =  268;
  cost[11,14,26] =  196;
  cost[11,15,26] =  313;
  cost[11,16,26] =  231;
  cost[11,17,26] =  99;
  cost[12,0,26] =  121;
  cost[12,1,26] =  157;
  cost[12,2,26] =  136;
  cost[12,3,26] =  190;
  cost[12,4,26] =  201;
  cost[12,5,26] =  103;
  cost[12,6,26] =  203;
  cost[12,7,26] =  123;
  cost[12,8,26] =  238;
  cost[12,9,26] =  18;
  cost[12,10,26] =  168;
  cost[12,11,26] =  89;
  cost[12,12,26] =  0;
  cost[12,13,26] =  145;
  cost[12,14,26] =  291;
  cost[12,15,26] =  140;
  cost[12,16,26] =  50;
  cost[12,17,26] =  89;
  cost[13,0,26] =  9;
  cost[13,1,26] =  124;
  cost[13,2,26] =  146;
  cost[13,3,26] =  39;
  cost[13,4,26] =  104;
  cost[13,5,26] =  161;
  cost[13,6,26] =  46;
  cost[13,7,26] =  211;
  cost[13,8,26] =  192;
  cost[13,9,26] =  79;
  cost[13,10,26] =  194;
  cost[13,11,26] =  268;
  cost[13,12,26] =  145;
  cost[13,13,26] =  0;
  cost[13,14,26] =  102;
  cost[13,15,26] =  289;
  cost[13,16,26] =  191;
  cost[13,17,26] =  121;
  cost[14,0,26] =  192;
  cost[14,1,26] =  101;
  cost[14,2,26] =  215;
  cost[14,3,26] =  287;
  cost[14,4,26] =  185;
  cost[14,5,26] =  275;
  cost[14,6,26] =  72;
  cost[14,7,26] =  92;
  cost[14,8,26] =  89;
  cost[14,9,26] =  313;
  cost[14,10,26] =  131;
  cost[14,11,26] =  196;
  cost[14,12,26] =  291;
  cost[14,13,26] =  102;
  cost[14,14,26] =  0;
  cost[14,15,26] =  181;
  cost[14,16,26] =  211;
  cost[14,17,26] =  107;
  cost[15,0,26] =  47;
  cost[15,1,26] =  124;
  cost[15,2,26] =  279;
  cost[15,3,26] =  314;
  cost[15,4,26] =  24;
  cost[15,5,26] =  289;
  cost[15,6,26] =  306;
  cost[15,7,26] =  95;
  cost[15,8,26] =  228;
  cost[15,9,26] =  90;
  cost[15,10,26] =  306;
  cost[15,11,26] =  313;
  cost[15,12,26] =  140;
  cost[15,13,26] =  289;
  cost[15,14,26] =  181;
  cost[15,15,26] =  0;
  cost[15,16,26] =  99;
  cost[15,17,26] =  29;
  cost[16,0,26] =  102;
  cost[16,1,26] =  117;
  cost[16,2,26] =  301;
  cost[16,3,26] =  156;
  cost[16,4,26] =  319;
  cost[16,5,26] =  28;
  cost[16,6,26] =  37;
  cost[16,7,26] =  249;
  cost[16,8,26] =  121;
  cost[16,9,26] =  62;
  cost[16,10,26] =  318;
  cost[16,11,26] =  231;
  cost[16,12,26] =  50;
  cost[16,13,26] =  191;
  cost[16,14,26] =  211;
  cost[16,15,26] =  99;
  cost[16,16,26] =  0;
  cost[16,17,26] =  294;
  cost[17,0,26] =  143;
  cost[17,1,26] =  185;
  cost[17,2,26] =  282;
  cost[17,3,26] =  148;
  cost[17,4,26] =  140;
  cost[17,5,26] =  314;
  cost[17,6,26] =  121;
  cost[17,7,26] =  122;
  cost[17,8,26] =  108;
  cost[17,9,26] =  26;
  cost[17,10,26] =  18;
  cost[17,11,26] =  99;
  cost[17,12,26] =  89;
  cost[17,13,26] =  121;
  cost[17,14,26] =  107;
  cost[17,15,26] =  29;
  cost[17,16,26] =  294;
  cost[17,17,26] =  0;
  cost[0,0,27] =  0;
  cost[0,1,27] =  288;
  cost[0,2,27] =  179;
  cost[0,3,27] =  109;
  cost[0,4,27] =  54;
  cost[0,5,27] =  124;
  cost[0,6,27] =  306;
  cost[0,7,27] =  43;
  cost[0,8,27] =  31;
  cost[0,9,27] =  81;
  cost[0,10,27] =  94;
  cost[0,11,27] =  177;
  cost[0,12,27] =  48;
  cost[0,13,27] =  234;
  cost[0,14,27] =  228;
  cost[0,15,27] =  137;
  cost[0,16,27] =  158;
  cost[0,17,27] =  6;
  cost[1,0,27] =  288;
  cost[1,1,27] =  0;
  cost[1,2,27] =  26;
  cost[1,3,27] =  127;
  cost[1,4,27] =  148;
  cost[1,5,27] =  207;
  cost[1,6,27] =  15;
  cost[1,7,27] =  255;
  cost[1,8,27] =  91;
  cost[1,9,27] =  115;
  cost[1,10,27] =  284;
  cost[1,11,27] =  144;
  cost[1,12,27] =  86;
  cost[1,13,27] =  121;
  cost[1,14,27] =  179;
  cost[1,15,27] =  50;
  cost[1,16,27] =  301;
  cost[1,17,27] =  289;
  cost[2,0,27] =  179;
  cost[2,1,27] =  26;
  cost[2,2,27] =  0;
  cost[2,3,27] =  102;
  cost[2,4,27] =  271;
  cost[2,5,27] =  148;
  cost[2,6,27] =  134;
  cost[2,7,27] =  29;
  cost[2,8,27] =  243;
  cost[2,9,27] =  311;
  cost[2,10,27] =  77;
  cost[2,11,27] =  153;
  cost[2,12,27] =  215;
  cost[2,13,27] =  215;
  cost[2,14,27] =  312;
  cost[2,15,27] =  222;
  cost[2,16,27] =  319;
  cost[2,17,27] =  14;
  cost[3,0,27] =  109;
  cost[3,1,27] =  127;
  cost[3,2,27] =  102;
  cost[3,3,27] =  0;
  cost[3,4,27] =  143;
  cost[3,5,27] =  222;
  cost[3,6,27] =  41;
  cost[3,7,27] =  74;
  cost[3,8,27] =  314;
  cost[3,9,27] =  157;
  cost[3,10,27] =  35;
  cost[3,11,27] =  134;
  cost[3,12,27] =  243;
  cost[3,13,27] =  157;
  cost[3,14,27] =  314;
  cost[3,15,27] =  294;
  cost[3,16,27] =  135;
  cost[3,17,27] =  279;
  cost[4,0,27] =  54;
  cost[4,1,27] =  148;
  cost[4,2,27] =  271;
  cost[4,3,27] =  143;
  cost[4,4,27] =  0;
  cost[4,5,27] =  237;
  cost[4,6,27] =  226;
  cost[4,7,27] =  224;
  cost[4,8,27] =  47;
  cost[4,9,27] =  255;
  cost[4,10,27] =  143;
  cost[4,11,27] =  35;
  cost[4,12,27] =  9;
  cost[4,13,27] =  297;
  cost[4,14,27] =  251;
  cost[4,15,27] =  225;
  cost[4,16,27] =  285;
  cost[4,17,27] =  149;
  cost[5,0,27] =  124;
  cost[5,1,27] =  207;
  cost[5,2,27] =  148;
  cost[5,3,27] =  222;
  cost[5,4,27] =  237;
  cost[5,5,27] =  0;
  cost[5,6,27] =  300;
  cost[5,7,27] =  175;
  cost[5,8,27] =  40;
  cost[5,9,27] =  199;
  cost[5,10,27] =  217;
  cost[5,11,27] =  114;
  cost[5,12,27] =  189;
  cost[5,13,27] =  50;
  cost[5,14,27] =  150;
  cost[5,15,27] =  0;
  cost[5,16,27] =  294;
  cost[5,17,27] =  308;
  cost[6,0,27] =  306;
  cost[6,1,27] =  15;
  cost[6,2,27] =  134;
  cost[6,3,27] =  41;
  cost[6,4,27] =  226;
  cost[6,5,27] =  300;
  cost[6,6,27] =  0;
  cost[6,7,27] =  264;
  cost[6,8,27] =  119;
  cost[6,9,27] =  269;
  cost[6,10,27] =  16;
  cost[6,11,27] =  33;
  cost[6,12,27] =  172;
  cost[6,13,27] =  241;
  cost[6,14,27] =  80;
  cost[6,15,27] =  104;
  cost[6,16,27] =  61;
  cost[6,17,27] =  116;
  cost[7,0,27] =  43;
  cost[7,1,27] =  255;
  cost[7,2,27] =  29;
  cost[7,3,27] =  74;
  cost[7,4,27] =  224;
  cost[7,5,27] =  175;
  cost[7,6,27] =  264;
  cost[7,7,27] =  0;
  cost[7,8,27] =  34;
  cost[7,9,27] =  43;
  cost[7,10,27] =  16;
  cost[7,11,27] =  320;
  cost[7,12,27] =  192;
  cost[7,13,27] =  237;
  cost[7,14,27] =  297;
  cost[7,15,27] =  44;
  cost[7,16,27] =  277;
  cost[7,17,27] =  173;
  cost[8,0,27] =  31;
  cost[8,1,27] =  91;
  cost[8,2,27] =  243;
  cost[8,3,27] =  314;
  cost[8,4,27] =  47;
  cost[8,5,27] =  40;
  cost[8,6,27] =  119;
  cost[8,7,27] =  34;
  cost[8,8,27] =  0;
  cost[8,9,27] =  68;
  cost[8,10,27] =  38;
  cost[8,11,27] =  313;
  cost[8,12,27] =  219;
  cost[8,13,27] =  38;
  cost[8,14,27] =  283;
  cost[8,15,27] =  203;
  cost[8,16,27] =  29;
  cost[8,17,27] =  224;
  cost[9,0,27] =  81;
  cost[9,1,27] =  115;
  cost[9,2,27] =  311;
  cost[9,3,27] =  157;
  cost[9,4,27] =  255;
  cost[9,5,27] =  199;
  cost[9,6,27] =  269;
  cost[9,7,27] =  43;
  cost[9,8,27] =  68;
  cost[9,9,27] =  0;
  cost[9,10,27] =  298;
  cost[9,11,27] =  241;
  cost[9,12,27] =  31;
  cost[9,13,27] =  147;
  cost[9,14,27] =  158;
  cost[9,15,27] =  112;
  cost[9,16,27] =  252;
  cost[9,17,27] =  220;
  cost[10,0,27] =  94;
  cost[10,1,27] =  284;
  cost[10,2,27] =  77;
  cost[10,3,27] =  35;
  cost[10,4,27] =  143;
  cost[10,5,27] =  217;
  cost[10,6,27] =  16;
  cost[10,7,27] =  16;
  cost[10,8,27] =  38;
  cost[10,9,27] =  298;
  cost[10,10,27] =  0;
  cost[10,11,27] =  42;
  cost[10,12,27] =  255;
  cost[10,13,27] =  271;
  cost[10,14,27] =  59;
  cost[10,15,27] =  251;
  cost[10,16,27] =  140;
  cost[10,17,27] =  296;
  cost[11,0,27] =  177;
  cost[11,1,27] =  144;
  cost[11,2,27] =  153;
  cost[11,3,27] =  134;
  cost[11,4,27] =  35;
  cost[11,5,27] =  114;
  cost[11,6,27] =  33;
  cost[11,7,27] =  320;
  cost[11,8,27] =  313;
  cost[11,9,27] =  241;
  cost[11,10,27] =  42;
  cost[11,11,27] =  0;
  cost[11,12,27] =  184;
  cost[11,13,27] =  250;
  cost[11,14,27] =  74;
  cost[11,15,27] =  122;
  cost[11,16,27] =  318;
  cost[11,17,27] =  113;
  cost[12,0,27] =  48;
  cost[12,1,27] =  86;
  cost[12,2,27] =  215;
  cost[12,3,27] =  243;
  cost[12,4,27] =  9;
  cost[12,5,27] =  189;
  cost[12,6,27] =  172;
  cost[12,7,27] =  192;
  cost[12,8,27] =  219;
  cost[12,9,27] =  31;
  cost[12,10,27] =  255;
  cost[12,11,27] =  184;
  cost[12,12,27] =  0;
  cost[12,13,27] =  213;
  cost[12,14,27] =  152;
  cost[12,15,27] =  71;
  cost[12,16,27] =  92;
  cost[12,17,27] =  181;
  cost[13,0,27] =  234;
  cost[13,1,27] =  121;
  cost[13,2,27] =  215;
  cost[13,3,27] =  157;
  cost[13,4,27] =  297;
  cost[13,5,27] =  50;
  cost[13,6,27] =  241;
  cost[13,7,27] =  237;
  cost[13,8,27] =  38;
  cost[13,9,27] =  147;
  cost[13,10,27] =  271;
  cost[13,11,27] =  250;
  cost[13,12,27] =  213;
  cost[13,13,27] =  0;
  cost[13,14,27] =  91;
  cost[13,15,27] =  156;
  cost[13,16,27] =  213;
  cost[13,17,27] =  123;
  cost[14,0,27] =  228;
  cost[14,1,27] =  179;
  cost[14,2,27] =  312;
  cost[14,3,27] =  314;
  cost[14,4,27] =  251;
  cost[14,5,27] =  150;
  cost[14,6,27] =  80;
  cost[14,7,27] =  297;
  cost[14,8,27] =  283;
  cost[14,9,27] =  158;
  cost[14,10,27] =  59;
  cost[14,11,27] =  74;
  cost[14,12,27] =  152;
  cost[14,13,27] =  91;
  cost[14,14,27] =  0;
  cost[14,15,27] =  48;
  cost[14,16,27] =  235;
  cost[14,17,27] =  232;
  cost[15,0,27] =  137;
  cost[15,1,27] =  50;
  cost[15,2,27] =  222;
  cost[15,3,27] =  294;
  cost[15,4,27] =  225;
  cost[15,5,27] =  0;
  cost[15,6,27] =  104;
  cost[15,7,27] =  44;
  cost[15,8,27] =  203;
  cost[15,9,27] =  112;
  cost[15,10,27] =  251;
  cost[15,11,27] =  122;
  cost[15,12,27] =  71;
  cost[15,13,27] =  156;
  cost[15,14,27] =  48;
  cost[15,15,27] =  0;
  cost[15,16,27] =  140;
  cost[15,17,27] =  274;
  cost[16,0,27] =  158;
  cost[16,1,27] =  301;
  cost[16,2,27] =  319;
  cost[16,3,27] =  135;
  cost[16,4,27] =  285;
  cost[16,5,27] =  294;
  cost[16,6,27] =  61;
  cost[16,7,27] =  277;
  cost[16,8,27] =  29;
  cost[16,9,27] =  252;
  cost[16,10,27] =  140;
  cost[16,11,27] =  318;
  cost[16,12,27] =  92;
  cost[16,13,27] =  213;
  cost[16,14,27] =  235;
  cost[16,15,27] =  140;
  cost[16,16,27] =  0;
  cost[16,17,27] =  87;
  cost[17,0,27] =  6;
  cost[17,1,27] =  289;
  cost[17,2,27] =  14;
  cost[17,3,27] =  279;
  cost[17,4,27] =  149;
  cost[17,5,27] =  308;
  cost[17,6,27] =  116;
  cost[17,7,27] =  173;
  cost[17,8,27] =  224;
  cost[17,9,27] =  220;
  cost[17,10,27] =  296;
  cost[17,11,27] =  113;
  cost[17,12,27] =  181;
  cost[17,13,27] =  123;
  cost[17,14,27] =  232;
  cost[17,15,27] =  274;
  cost[17,16,27] =  87;
  cost[17,17,27] =  0;
  cost[0,0,28] =  0;
  cost[0,1,28] =  227;
  cost[0,2,28] =  306;
  cost[0,3,28] =  28;
  cost[0,4,28] =  88;
  cost[0,5,28] =  232;
  cost[0,6,28] =  103;
  cost[0,7,28] =  211;
  cost[0,8,28] =  227;
  cost[0,9,28] =  217;
  cost[0,10,28] =  323;
  cost[0,11,28] =  117;
  cost[0,12,28] =  45;
  cost[0,13,28] =  71;
  cost[0,14,28] =  210;
  cost[0,15,28] =  226;
  cost[0,16,28] =  43;
  cost[0,17,28] =  301;
  cost[1,0,28] =  227;
  cost[1,1,28] =  0;
  cost[1,2,28] =  256;
  cost[1,3,28] =  101;
  cost[1,4,28] =  38;
  cost[1,5,28] =  304;
  cost[1,6,28] =  12;
  cost[1,7,28] =  270;
  cost[1,8,28] =  249;
  cost[1,9,28] =  152;
  cost[1,10,28] =  221;
  cost[1,11,28] =  124;
  cost[1,12,28] =  240;
  cost[1,13,28] =  231;
  cost[1,14,28] =  251;
  cost[1,15,28] =  144;
  cost[1,16,28] =  214;
  cost[1,17,28] =  280;
  cost[2,0,28] =  306;
  cost[2,1,28] =  256;
  cost[2,2,28] =  0;
  cost[2,3,28] =  123;
  cost[2,4,28] =  59;
  cost[2,5,28] =  120;
  cost[2,6,28] =  26;
  cost[2,7,28] =  276;
  cost[2,8,28] =  120;
  cost[2,9,28] =  144;
  cost[2,10,28] =  322;
  cost[2,11,28] =  191;
  cost[2,12,28] =  30;
  cost[2,13,28] =  224;
  cost[2,14,28] =  235;
  cost[2,15,28] =  8;
  cost[2,16,28] =  283;
  cost[2,17,28] =  168;
  cost[3,0,28] =  28;
  cost[3,1,28] =  101;
  cost[3,2,28] =  123;
  cost[3,3,28] =  0;
  cost[3,4,28] =  321;
  cost[3,5,28] =  149;
  cost[3,6,28] =  121;
  cost[3,7,28] =  268;
  cost[3,8,28] =  74;
  cost[3,9,28] =  274;
  cost[3,10,28] =  165;
  cost[3,11,28] =  198;
  cost[3,12,28] =  190;
  cost[3,13,28] =  73;
  cost[3,14,28] =  125;
  cost[3,15,28] =  11;
  cost[3,16,28] =  288;
  cost[3,17,28] =  81;
  cost[4,0,28] =  88;
  cost[4,1,28] =  38;
  cost[4,2,28] =  59;
  cost[4,3,28] =  321;
  cost[4,4,28] =  0;
  cost[4,5,28] =  87;
  cost[4,6,28] =  141;
  cost[4,7,28] =  41;
  cost[4,8,28] =  114;
  cost[4,9,28] =  94;
  cost[4,10,28] =  161;
  cost[4,11,28] =  258;
  cost[4,12,28] =  92;
  cost[4,13,28] =  29;
  cost[4,14,28] =  288;
  cost[4,15,28] =  317;
  cost[4,16,28] =  265;
  cost[4,17,28] =  296;
  cost[5,0,28] =  232;
  cost[5,1,28] =  304;
  cost[5,2,28] =  120;
  cost[5,3,28] =  149;
  cost[5,4,28] =  87;
  cost[5,5,28] =  0;
  cost[5,6,28] =  109;
  cost[5,7,28] =  82;
  cost[5,8,28] =  274;
  cost[5,9,28] =  258;
  cost[5,10,28] =  203;
  cost[5,11,28] =  218;
  cost[5,12,28] =  8;
  cost[5,13,28] =  154;
  cost[5,14,28] =  60;
  cost[5,15,28] =  206;
  cost[5,16,28] =  21;
  cost[5,17,28] =  133;
  cost[6,0,28] =  103;
  cost[6,1,28] =  12;
  cost[6,2,28] =  26;
  cost[6,3,28] =  121;
  cost[6,4,28] =  141;
  cost[6,5,28] =  109;
  cost[6,6,28] =  0;
  cost[6,7,28] =  32;
  cost[6,8,28] =  98;
  cost[6,9,28] =  90;
  cost[6,10,28] =  277;
  cost[6,11,28] =  185;
  cost[6,12,28] =  231;
  cost[6,13,28] =  318;
  cost[6,14,28] =  300;
  cost[6,15,28] =  2;
  cost[6,16,28] =  156;
  cost[6,17,28] =  235;
  cost[7,0,28] =  211;
  cost[7,1,28] =  270;
  cost[7,2,28] =  276;
  cost[7,3,28] =  268;
  cost[7,4,28] =  41;
  cost[7,5,28] =  82;
  cost[7,6,28] =  32;
  cost[7,7,28] =  0;
  cost[7,8,28] =  186;
  cost[7,9,28] =  199;
  cost[7,10,28] =  88;
  cost[7,11,28] =  127;
  cost[7,12,28] =  172;
  cost[7,13,28] =  40;
  cost[7,14,28] =  236;
  cost[7,15,28] =  254;
  cost[7,16,28] =  315;
  cost[7,17,28] =  170;
  cost[8,0,28] =  227;
  cost[8,1,28] =  249;
  cost[8,2,28] =  120;
  cost[8,3,28] =  74;
  cost[8,4,28] =  114;
  cost[8,5,28] =  274;
  cost[8,6,28] =  98;
  cost[8,7,28] =  186;
  cost[8,8,28] =  0;
  cost[8,9,28] =  209;
  cost[8,10,28] =  178;
  cost[8,11,28] =  288;
  cost[8,12,28] =  269;
  cost[8,13,28] =  61;
  cost[8,14,28] =  310;
  cost[8,15,28] =  79;
  cost[8,16,28] =  69;
  cost[8,17,28] =  18;
  cost[9,0,28] =  217;
  cost[9,1,28] =  152;
  cost[9,2,28] =  144;
  cost[9,3,28] =  274;
  cost[9,4,28] =  94;
  cost[9,5,28] =  258;
  cost[9,6,28] =  90;
  cost[9,7,28] =  199;
  cost[9,8,28] =  209;
  cost[9,9,28] =  0;
  cost[9,10,28] =  159;
  cost[9,11,28] =  295;
  cost[9,12,28] =  39;
  cost[9,13,28] =  67;
  cost[9,14,28] =  290;
  cost[9,15,28] =  16;
  cost[9,16,28] =  70;
  cost[9,17,28] =  122;
  cost[10,0,28] =  323;
  cost[10,1,28] =  221;
  cost[10,2,28] =  322;
  cost[10,3,28] =  165;
  cost[10,4,28] =  161;
  cost[10,5,28] =  203;
  cost[10,6,28] =  277;
  cost[10,7,28] =  88;
  cost[10,8,28] =  178;
  cost[10,9,28] =  159;
  cost[10,10,28] =  0;
  cost[10,11,28] =  165;
  cost[10,12,28] =  308;
  cost[10,13,28] =  127;
  cost[10,14,28] =  254;
  cost[10,15,28] =  111;
  cost[10,16,28] =  300;
  cost[10,17,28] =  295;
  cost[11,0,28] =  117;
  cost[11,1,28] =  124;
  cost[11,2,28] =  191;
  cost[11,3,28] =  198;
  cost[11,4,28] =  258;
  cost[11,5,28] =  218;
  cost[11,6,28] =  185;
  cost[11,7,28] =  127;
  cost[11,8,28] =  288;
  cost[11,9,28] =  295;
  cost[11,10,28] =  165;
  cost[11,11,28] =  0;
  cost[11,12,28] =  231;
  cost[11,13,28] =  286;
  cost[11,14,28] =  194;
  cost[11,15,28] =  41;
  cost[11,16,28] =  171;
  cost[11,17,28] =  49;
  cost[12,0,28] =  45;
  cost[12,1,28] =  240;
  cost[12,2,28] =  30;
  cost[12,3,28] =  190;
  cost[12,4,28] =  92;
  cost[12,5,28] =  8;
  cost[12,6,28] =  231;
  cost[12,7,28] =  172;
  cost[12,8,28] =  269;
  cost[12,9,28] =  39;
  cost[12,10,28] =  308;
  cost[12,11,28] =  231;
  cost[12,12,28] =  0;
  cost[12,13,28] =  117;
  cost[12,14,28] =  110;
  cost[12,15,28] =  316;
  cost[12,16,28] =  196;
  cost[12,17,28] =  180;
  cost[13,0,28] =  71;
  cost[13,1,28] =  231;
  cost[13,2,28] =  224;
  cost[13,3,28] =  73;
  cost[13,4,28] =  29;
  cost[13,5,28] =  154;
  cost[13,6,28] =  318;
  cost[13,7,28] =  40;
  cost[13,8,28] =  61;
  cost[13,9,28] =  67;
  cost[13,10,28] =  127;
  cost[13,11,28] =  286;
  cost[13,12,28] =  117;
  cost[13,13,28] =  0;
  cost[13,14,28] =  50;
  cost[13,15,28] =  16;
  cost[13,16,28] =  307;
  cost[13,17,28] =  90;
  cost[14,0,28] =  210;
  cost[14,1,28] =  251;
  cost[14,2,28] =  235;
  cost[14,3,28] =  125;
  cost[14,4,28] =  288;
  cost[14,5,28] =  60;
  cost[14,6,28] =  300;
  cost[14,7,28] =  236;
  cost[14,8,28] =  310;
  cost[14,9,28] =  290;
  cost[14,10,28] =  254;
  cost[14,11,28] =  194;
  cost[14,12,28] =  110;
  cost[14,13,28] =  50;
  cost[14,14,28] =  0;
  cost[14,15,28] =  273;
  cost[14,16,28] =  107;
  cost[14,17,28] =  154;
  cost[15,0,28] =  226;
  cost[15,1,28] =  144;
  cost[15,2,28] =  8;
  cost[15,3,28] =  11;
  cost[15,4,28] =  317;
  cost[15,5,28] =  206;
  cost[15,6,28] =  2;
  cost[15,7,28] =  254;
  cost[15,8,28] =  79;
  cost[15,9,28] =  16;
  cost[15,10,28] =  111;
  cost[15,11,28] =  41;
  cost[15,12,28] =  316;
  cost[15,13,28] =  16;
  cost[15,14,28] =  273;
  cost[15,15,28] =  0;
  cost[15,16,28] =  34;
  cost[15,17,28] =  320;
  cost[16,0,28] =  43;
  cost[16,1,28] =  214;
  cost[16,2,28] =  283;
  cost[16,3,28] =  288;
  cost[16,4,28] =  265;
  cost[16,5,28] =  21;
  cost[16,6,28] =  156;
  cost[16,7,28] =  315;
  cost[16,8,28] =  69;
  cost[16,9,28] =  70;
  cost[16,10,28] =  300;
  cost[16,11,28] =  171;
  cost[16,12,28] =  196;
  cost[16,13,28] =  307;
  cost[16,14,28] =  107;
  cost[16,15,28] =  34;
  cost[16,16,28] =  0;
  cost[16,17,28] =  161;
  cost[17,0,28] =  301;
  cost[17,1,28] =  280;
  cost[17,2,28] =  168;
  cost[17,3,28] =  81;
  cost[17,4,28] =  296;
  cost[17,5,28] =  133;
  cost[17,6,28] =  235;
  cost[17,7,28] =  170;
  cost[17,8,28] =  18;
  cost[17,9,28] =  122;
  cost[17,10,28] =  295;
  cost[17,11,28] =  49;
  cost[17,12,28] =  180;
  cost[17,13,28] =  90;
  cost[17,14,28] =  154;
  cost[17,15,28] =  320;
  cost[17,16,28] =  161;
  cost[17,17,28] =  0;
  cost[0,0,29] =  0;
  cost[0,1,29] =  138;
  cost[0,2,29] =  221;
  cost[0,3,29] =  192;
  cost[0,4,29] =  45;
  cost[0,5,29] =  183;
  cost[0,6,29] =  63;
  cost[0,7,29] =  87;
  cost[0,8,29] =  31;
  cost[0,9,29] =  112;
  cost[0,10,29] =  94;
  cost[0,11,29] =  148;
  cost[0,12,29] =  223;
  cost[0,13,29] =  87;
  cost[0,14,29] =  21;
  cost[0,15,29] =  80;
  cost[0,16,29] =  98;
  cost[0,17,29] =  72;
  cost[1,0,29] =  138;
  cost[1,1,29] =  0;
  cost[1,2,29] =  81;
  cost[1,3,29] =  163;
  cost[1,4,29] =  180;
  cost[1,5,29] =  31;
  cost[1,6,29] =  270;
  cost[1,7,29] =  11;
  cost[1,8,29] =  102;
  cost[1,9,29] =  305;
  cost[1,10,29] =  7;
  cost[1,11,29] =  159;
  cost[1,12,29] =  143;
  cost[1,13,29] =  258;
  cost[1,14,29] =  3;
  cost[1,15,29] =  281;
  cost[1,16,29] =  155;
  cost[1,17,29] =  196;
  cost[2,0,29] =  221;
  cost[2,1,29] =  81;
  cost[2,2,29] =  0;
  cost[2,3,29] =  15;
  cost[2,4,29] =  259;
  cost[2,5,29] =  90;
  cost[2,6,29] =  47;
  cost[2,7,29] =  48;
  cost[2,8,29] =  184;
  cost[2,9,29] =  195;
  cost[2,10,29] =  271;
  cost[2,11,29] =  271;
  cost[2,12,29] =  217;
  cost[2,13,29] =  28;
  cost[2,14,29] =  46;
  cost[2,15,29] =  289;
  cost[2,16,29] =  124;
  cost[2,17,29] =  127;
  cost[3,0,29] =  192;
  cost[3,1,29] =  163;
  cost[3,2,29] =  15;
  cost[3,3,29] =  0;
  cost[3,4,29] =  305;
  cost[3,5,29] =  158;
  cost[3,6,29] =  75;
  cost[3,7,29] =  317;
  cost[3,8,29] =  261;
  cost[3,9,29] =  56;
  cost[3,10,29] =  1;
  cost[3,11,29] =  96;
  cost[3,12,29] =  199;
  cost[3,13,29] =  259;
  cost[3,14,29] =  100;
  cost[3,15,29] =  156;
  cost[3,16,29] =  91;
  cost[3,17,29] =  296;
  cost[4,0,29] =  45;
  cost[4,1,29] =  180;
  cost[4,2,29] =  259;
  cost[4,3,29] =  305;
  cost[4,4,29] =  0;
  cost[4,5,29] =  107;
  cost[4,6,29] =  231;
  cost[4,7,29] =  249;
  cost[4,8,29] =  154;
  cost[4,9,29] =  279;
  cost[4,10,29] =  110;
  cost[4,11,29] =  25;
  cost[4,12,29] =  227;
  cost[4,13,29] =  57;
  cost[4,14,29] =  243;
  cost[4,15,29] =  256;
  cost[4,16,29] =  103;
  cost[4,17,29] =  208;
  cost[5,0,29] =  183;
  cost[5,1,29] =  31;
  cost[5,2,29] =  90;
  cost[5,3,29] =  158;
  cost[5,4,29] =  107;
  cost[5,5,29] =  0;
  cost[5,6,29] =  231;
  cost[5,7,29] =  13;
  cost[5,8,29] =  38;
  cost[5,9,29] =  66;
  cost[5,10,29] =  89;
  cost[5,11,29] =  32;
  cost[5,12,29] =  3;
  cost[5,13,29] =  146;
  cost[5,14,29] =  33;
  cost[5,15,29] =  100;
  cost[5,16,29] =  21;
  cost[5,17,29] =  292;
  cost[6,0,29] =  63;
  cost[6,1,29] =  270;
  cost[6,2,29] =  47;
  cost[6,3,29] =  75;
  cost[6,4,29] =  231;
  cost[6,5,29] =  231;
  cost[6,6,29] =  0;
  cost[6,7,29] =  178;
  cost[6,8,29] =  59;
  cost[6,9,29] =  173;
  cost[6,10,29] =  14;
  cost[6,11,29] =  167;
  cost[6,12,29] =  80;
  cost[6,13,29] =  264;
  cost[6,14,29] =  321;
  cost[6,15,29] =  36;
  cost[6,16,29] =  50;
  cost[6,17,29] =  22;
  cost[7,0,29] =  87;
  cost[7,1,29] =  11;
  cost[7,2,29] =  48;
  cost[7,3,29] =  317;
  cost[7,4,29] =  249;
  cost[7,5,29] =  13;
  cost[7,6,29] =  178;
  cost[7,7,29] =  0;
  cost[7,8,29] =  108;
  cost[7,9,29] =  265;
  cost[7,10,29] =  196;
  cost[7,11,29] =  211;
  cost[7,12,29] =  150;
  cost[7,13,29] =  253;
  cost[7,14,29] =  119;
  cost[7,15,29] =  164;
  cost[7,16,29] =  292;
  cost[7,17,29] =  185;
  cost[8,0,29] =  31;
  cost[8,1,29] =  102;
  cost[8,2,29] =  184;
  cost[8,3,29] =  261;
  cost[8,4,29] =  154;
  cost[8,5,29] =  38;
  cost[8,6,29] =  59;
  cost[8,7,29] =  108;
  cost[8,8,29] =  0;
  cost[8,9,29] =  0;
  cost[8,10,29] =  189;
  cost[8,11,29] =  76;
  cost[8,12,29] =  33;
  cost[8,13,29] =  290;
  cost[8,14,29] =  98;
  cost[8,15,29] =  2;
  cost[8,16,29] =  167;
  cost[8,17,29] =  276;
  cost[9,0,29] =  112;
  cost[9,1,29] =  305;
  cost[9,2,29] =  195;
  cost[9,3,29] =  56;
  cost[9,4,29] =  279;
  cost[9,5,29] =  66;
  cost[9,6,29] =  173;
  cost[9,7,29] =  265;
  cost[9,8,29] =  0;
  cost[9,9,29] =  0;
  cost[9,10,29] =  16;
  cost[9,11,29] =  291;
  cost[9,12,29] =  229;
  cost[9,13,29] =  97;
  cost[9,14,29] =  231;
  cost[9,15,29] =  226;
  cost[9,16,29] =  134;
  cost[9,17,29] =  282;
  cost[10,0,29] =  94;
  cost[10,1,29] =  7;
  cost[10,2,29] =  271;
  cost[10,3,29] =  1;
  cost[10,4,29] =  110;
  cost[10,5,29] =  89;
  cost[10,6,29] =  14;
  cost[10,7,29] =  196;
  cost[10,8,29] =  189;
  cost[10,9,29] =  16;
  cost[10,10,29] =  0;
  cost[10,11,29] =  74;
  cost[10,12,29] =  66;
  cost[10,13,29] =  191;
  cost[10,14,29] =  271;
  cost[10,15,29] =  277;
  cost[10,16,29] =  18;
  cost[10,17,29] =  201;
  cost[11,0,29] =  148;
  cost[11,1,29] =  159;
  cost[11,2,29] =  271;
  cost[11,3,29] =  96;
  cost[11,4,29] =  25;
  cost[11,5,29] =  32;
  cost[11,6,29] =  167;
  cost[11,7,29] =  211;
  cost[11,8,29] =  76;
  cost[11,9,29] =  291;
  cost[11,10,29] =  74;
  cost[11,11,29] =  0;
  cost[11,12,29] =  182;
  cost[11,13,29] =  169;
  cost[11,14,29] =  258;
  cost[11,15,29] =  112;
  cost[11,16,29] =  169;
  cost[11,17,29] =  124;
  cost[12,0,29] =  223;
  cost[12,1,29] =  143;
  cost[12,2,29] =  217;
  cost[12,3,29] =  199;
  cost[12,4,29] =  227;
  cost[12,5,29] =  3;
  cost[12,6,29] =  80;
  cost[12,7,29] =  150;
  cost[12,8,29] =  33;
  cost[12,9,29] =  229;
  cost[12,10,29] =  66;
  cost[12,11,29] =  182;
  cost[12,12,29] =  0;
  cost[12,13,29] =  203;
  cost[12,14,29] =  90;
  cost[12,15,29] =  287;
  cost[12,16,29] =  205;
  cost[12,17,29] =  258;
  cost[13,0,29] =  87;
  cost[13,1,29] =  258;
  cost[13,2,29] =  28;
  cost[13,3,29] =  259;
  cost[13,4,29] =  57;
  cost[13,5,29] =  146;
  cost[13,6,29] =  264;
  cost[13,7,29] =  253;
  cost[13,8,29] =  290;
  cost[13,9,29] =  97;
  cost[13,10,29] =  191;
  cost[13,11,29] =  169;
  cost[13,12,29] =  203;
  cost[13,13,29] =  0;
  cost[13,14,29] =  267;
  cost[13,15,29] =  274;
  cost[13,16,29] =  207;
  cost[13,17,29] =  173;
  cost[14,0,29] =  21;
  cost[14,1,29] =  3;
  cost[14,2,29] =  46;
  cost[14,3,29] =  100;
  cost[14,4,29] =  243;
  cost[14,5,29] =  33;
  cost[14,6,29] =  321;
  cost[14,7,29] =  119;
  cost[14,8,29] =  98;
  cost[14,9,29] =  231;
  cost[14,10,29] =  271;
  cost[14,11,29] =  258;
  cost[14,12,29] =  90;
  cost[14,13,29] =  267;
  cost[14,14,29] =  0;
  cost[14,15,29] =  115;
  cost[14,16,29] =  75;
  cost[14,17,29] =  182;
  cost[15,0,29] =  80;
  cost[15,1,29] =  281;
  cost[15,2,29] =  289;
  cost[15,3,29] =  156;
  cost[15,4,29] =  256;
  cost[15,5,29] =  100;
  cost[15,6,29] =  36;
  cost[15,7,29] =  164;
  cost[15,8,29] =  2;
  cost[15,9,29] =  226;
  cost[15,10,29] =  277;
  cost[15,11,29] =  112;
  cost[15,12,29] =  287;
  cost[15,13,29] =  274;
  cost[15,14,29] =  115;
  cost[15,15,29] =  0;
  cost[15,16,29] =  0;
  cost[15,17,29] =  257;
  cost[16,0,29] =  98;
  cost[16,1,29] =  155;
  cost[16,2,29] =  124;
  cost[16,3,29] =  91;
  cost[16,4,29] =  103;
  cost[16,5,29] =  21;
  cost[16,6,29] =  50;
  cost[16,7,29] =  292;
  cost[16,8,29] =  167;
  cost[16,9,29] =  134;
  cost[16,10,29] =  18;
  cost[16,11,29] =  169;
  cost[16,12,29] =  205;
  cost[16,13,29] =  207;
  cost[16,14,29] =  75;
  cost[16,15,29] =  0;
  cost[16,16,29] =  0;
  cost[16,17,29] =  192;
  cost[17,0,29] =  72;
  cost[17,1,29] =  196;
  cost[17,2,29] =  127;
  cost[17,3,29] =  296;
  cost[17,4,29] =  208;
  cost[17,5,29] =  292;
  cost[17,6,29] =  22;
  cost[17,7,29] =  185;
  cost[17,8,29] =  276;
  cost[17,9,29] =  282;
  cost[17,10,29] =  201;
  cost[17,11,29] =  124;
  cost[17,12,29] =  258;
  cost[17,13,29] =  173;
  cost[17,14,29] =  182;
  cost[17,15,29] =  257;
  cost[17,16,29] =  192;
  cost[17,17,29] =  0;
  cost[0,0,30] =  0;
  cost[0,1,30] =  210;
  cost[0,2,30] =  82;
  cost[0,3,30] =  167;
  cost[0,4,30] =  68;
  cost[0,5,30] =  251;
  cost[0,6,30] =  102;
  cost[0,7,30] =  181;
  cost[0,8,30] =  97;
  cost[0,9,30] =  226;
  cost[0,10,30] =  47;
  cost[0,11,30] =  301;
  cost[0,12,30] =  317;
  cost[0,13,30] =  10;
  cost[0,14,30] =  182;
  cost[0,15,30] =  251;
  cost[0,16,30] =  250;
  cost[0,17,30] =  126;
  cost[1,0,30] =  210;
  cost[1,1,30] =  0;
  cost[1,2,30] =  134;
  cost[1,3,30] =  299;
  cost[1,4,30] =  250;
  cost[1,5,30] =  250;
  cost[1,6,30] =  51;
  cost[1,7,30] =  108;
  cost[1,8,30] =  0;
  cost[1,9,30] =  52;
  cost[1,10,30] =  42;
  cost[1,11,30] =  140;
  cost[1,12,30] =  244;
  cost[1,13,30] =  247;
  cost[1,14,30] =  234;
  cost[1,15,30] =  130;
  cost[1,16,30] =  5;
  cost[1,17,30] =  77;
  cost[2,0,30] =  82;
  cost[2,1,30] =  134;
  cost[2,2,30] =  0;
  cost[2,3,30] =  256;
  cost[2,4,30] =  180;
  cost[2,5,30] =  57;
  cost[2,6,30] =  30;
  cost[2,7,30] =  82;
  cost[2,8,30] =  104;
  cost[2,9,30] =  7;
  cost[2,10,30] =  76;
  cost[2,11,30] =  114;
  cost[2,12,30] =  189;
  cost[2,13,30] =  3;
  cost[2,14,30] =  41;
  cost[2,15,30] =  316;
  cost[2,16,30] =  205;
  cost[2,17,30] =  176;
  cost[3,0,30] =  167;
  cost[3,1,30] =  299;
  cost[3,2,30] =  256;
  cost[3,3,30] =  0;
  cost[3,4,30] =  131;
  cost[3,5,30] =  103;
  cost[3,6,30] =  19;
  cost[3,7,30] =  240;
  cost[3,8,30] =  103;
  cost[3,9,30] =  71;
  cost[3,10,30] =  282;
  cost[3,11,30] =  243;
  cost[3,12,30] =  315;
  cost[3,13,30] =  205;
  cost[3,14,30] =  154;
  cost[3,15,30] =  122;
  cost[3,16,30] =  210;
  cost[3,17,30] =  232;
  cost[4,0,30] =  68;
  cost[4,1,30] =  250;
  cost[4,2,30] =  180;
  cost[4,3,30] =  131;
  cost[4,4,30] =  0;
  cost[4,5,30] =  143;
  cost[4,6,30] =  88;
  cost[4,7,30] =  55;
  cost[4,8,30] =  173;
  cost[4,9,30] =  170;
  cost[4,10,30] =  160;
  cost[4,11,30] =  180;
  cost[4,12,30] =  246;
  cost[4,13,30] =  274;
  cost[4,14,30] =  46;
  cost[4,15,30] =  250;
  cost[4,16,30] =  316;
  cost[4,17,30] =  39;
  cost[5,0,30] =  251;
  cost[5,1,30] =  250;
  cost[5,2,30] =  57;
  cost[5,3,30] =  103;
  cost[5,4,30] =  143;
  cost[5,5,30] =  0;
  cost[5,6,30] =  169;
  cost[5,7,30] =  7;
  cost[5,8,30] =  263;
  cost[5,9,30] =  272;
  cost[5,10,30] =  26;
  cost[5,11,30] =  180;
  cost[5,12,30] =  51;
  cost[5,13,30] =  98;
  cost[5,14,30] =  139;
  cost[5,15,30] =  295;
  cost[5,16,30] =  90;
  cost[5,17,30] =  21;
  cost[6,0,30] =  102;
  cost[6,1,30] =  51;
  cost[6,2,30] =  30;
  cost[6,3,30] =  19;
  cost[6,4,30] =  88;
  cost[6,5,30] =  169;
  cost[6,6,30] =  0;
  cost[6,7,30] =  212;
  cost[6,8,30] =  232;
  cost[6,9,30] =  33;
  cost[6,10,30] =  211;
  cost[6,11,30] =  51;
  cost[6,12,30] =  121;
  cost[6,13,30] =  266;
  cost[6,14,30] =  225;
  cost[6,15,30] =  292;
  cost[6,16,30] =  102;
  cost[6,17,30] =  82;
  cost[7,0,30] =  181;
  cost[7,1,30] =  108;
  cost[7,2,30] =  82;
  cost[7,3,30] =  240;
  cost[7,4,30] =  55;
  cost[7,5,30] =  7;
  cost[7,6,30] =  212;
  cost[7,7,30] =  0;
  cost[7,8,30] =  53;
  cost[7,9,30] =  129;
  cost[7,10,30] =  141;
  cost[7,11,30] =  46;
  cost[7,12,30] =  168;
  cost[7,13,30] =  274;
  cost[7,14,30] =  216;
  cost[7,15,30] =  176;
  cost[7,16,30] =  214;
  cost[7,17,30] =  164;
  cost[8,0,30] =  97;
  cost[8,1,30] =  0;
  cost[8,2,30] =  104;
  cost[8,3,30] =  103;
  cost[8,4,30] =  173;
  cost[8,5,30] =  263;
  cost[8,6,30] =  232;
  cost[8,7,30] =  53;
  cost[8,8,30] =  0;
  cost[8,9,30] =  70;
  cost[8,10,30] =  216;
  cost[8,11,30] =  301;
  cost[8,12,30] =  210;
  cost[8,13,30] =  187;
  cost[8,14,30] =  68;
  cost[8,15,30] =  231;
  cost[8,16,30] =  313;
  cost[8,17,30] =  281;
  cost[9,0,30] =  226;
  cost[9,1,30] =  52;
  cost[9,2,30] =  7;
  cost[9,3,30] =  71;
  cost[9,4,30] =  170;
  cost[9,5,30] =  272;
  cost[9,6,30] =  33;
  cost[9,7,30] =  129;
  cost[9,8,30] =  70;
  cost[9,9,30] =  0;
  cost[9,10,30] =  23;
  cost[9,11,30] =  168;
  cost[9,12,30] =  191;
  cost[9,13,30] =  145;
  cost[9,14,30] =  111;
  cost[9,15,30] =  93;
  cost[9,16,30] =  114;
  cost[9,17,30] =  213;
  cost[10,0,30] =  47;
  cost[10,1,30] =  42;
  cost[10,2,30] =  76;
  cost[10,3,30] =  282;
  cost[10,4,30] =  160;
  cost[10,5,30] =  26;
  cost[10,6,30] =  211;
  cost[10,7,30] =  141;
  cost[10,8,30] =  216;
  cost[10,9,30] =  23;
  cost[10,10,30] =  0;
  cost[10,11,30] =  5;
  cost[10,12,30] =  267;
  cost[10,13,30] =  306;
  cost[10,14,30] =  147;
  cost[10,15,30] =  314;
  cost[10,16,30] =  151;
  cost[10,17,30] =  97;
  cost[11,0,30] =  301;
  cost[11,1,30] =  140;
  cost[11,2,30] =  114;
  cost[11,3,30] =  243;
  cost[11,4,30] =  180;
  cost[11,5,30] =  180;
  cost[11,6,30] =  51;
  cost[11,7,30] =  46;
  cost[11,8,30] =  301;
  cost[11,9,30] =  168;
  cost[11,10,30] =  5;
  cost[11,11,30] =  0;
  cost[11,12,30] =  3;
  cost[11,13,30] =  311;
  cost[11,14,30] =  46;
  cost[11,15,30] =  206;
  cost[11,16,30] =  58;
  cost[11,17,30] =  263;
  cost[12,0,30] =  317;
  cost[12,1,30] =  244;
  cost[12,2,30] =  189;
  cost[12,3,30] =  315;
  cost[12,4,30] =  246;
  cost[12,5,30] =  51;
  cost[12,6,30] =  121;
  cost[12,7,30] =  168;
  cost[12,8,30] =  210;
  cost[12,9,30] =  191;
  cost[12,10,30] =  267;
  cost[12,11,30] =  3;
  cost[12,12,30] =  0;
  cost[12,13,30] =  268;
  cost[12,14,30] =  127;
  cost[12,15,30] =  252;
  cost[12,16,30] =  176;
  cost[12,17,30] =  116;
  cost[13,0,30] =  10;
  cost[13,1,30] =  247;
  cost[13,2,30] =  3;
  cost[13,3,30] =  205;
  cost[13,4,30] =  274;
  cost[13,5,30] =  98;
  cost[13,6,30] =  266;
  cost[13,7,30] =  274;
  cost[13,8,30] =  187;
  cost[13,9,30] =  145;
  cost[13,10,30] =  306;
  cost[13,11,30] =  311;
  cost[13,12,30] =  268;
  cost[13,13,30] =  0;
  cost[13,14,30] =  316;
  cost[13,15,30] =  140;
  cost[13,16,30] =  53;
  cost[13,17,30] =  184;
  cost[14,0,30] =  182;
  cost[14,1,30] =  234;
  cost[14,2,30] =  41;
  cost[14,3,30] =  154;
  cost[14,4,30] =  46;
  cost[14,5,30] =  139;
  cost[14,6,30] =  225;
  cost[14,7,30] =  216;
  cost[14,8,30] =  68;
  cost[14,9,30] =  111;
  cost[14,10,30] =  147;
  cost[14,11,30] =  46;
  cost[14,12,30] =  127;
  cost[14,13,30] =  316;
  cost[14,14,30] =  0;
  cost[14,15,30] =  164;
  cost[14,16,30] =  278;
  cost[14,17,30] =  75;
  cost[15,0,30] =  251;
  cost[15,1,30] =  130;
  cost[15,2,30] =  316;
  cost[15,3,30] =  122;
  cost[15,4,30] =  250;
  cost[15,5,30] =  295;
  cost[15,6,30] =  292;
  cost[15,7,30] =  176;
  cost[15,8,30] =  231;
  cost[15,9,30] =  93;
  cost[15,10,30] =  314;
  cost[15,11,30] =  206;
  cost[15,12,30] =  252;
  cost[15,13,30] =  140;
  cost[15,14,30] =  164;
  cost[15,15,30] =  0;
  cost[15,16,30] =  130;
  cost[15,17,30] =  81;
  cost[16,0,30] =  250;
  cost[16,1,30] =  5;
  cost[16,2,30] =  205;
  cost[16,3,30] =  210;
  cost[16,4,30] =  316;
  cost[16,5,30] =  90;
  cost[16,6,30] =  102;
  cost[16,7,30] =  214;
  cost[16,8,30] =  313;
  cost[16,9,30] =  114;
  cost[16,10,30] =  151;
  cost[16,11,30] =  58;
  cost[16,12,30] =  176;
  cost[16,13,30] =  53;
  cost[16,14,30] =  278;
  cost[16,15,30] =  130;
  cost[16,16,30] =  0;
  cost[16,17,30] =  112;
  cost[17,0,30] =  126;
  cost[17,1,30] =  77;
  cost[17,2,30] =  176;
  cost[17,3,30] =  232;
  cost[17,4,30] =  39;
  cost[17,5,30] =  21;
  cost[17,6,30] =  82;
  cost[17,7,30] =  164;
  cost[17,8,30] =  281;
  cost[17,9,30] =  213;
  cost[17,10,30] =  97;
  cost[17,11,30] =  263;
  cost[17,12,30] =  116;
  cost[17,13,30] =  184;
  cost[17,14,30] =  75;
  cost[17,15,30] =  81;
  cost[17,16,30] =  112;
  cost[17,17,30] =  0;
  cost[0,0,31] =  0;
  cost[0,1,31] =  263;
  cost[0,2,31] =  2;
  cost[0,3,31] =  194;
  cost[0,4,31] =  267;
  cost[0,5,31] =  314;
  cost[0,6,31] =  241;
  cost[0,7,31] =  150;
  cost[0,8,31] =  48;
  cost[0,9,31] =  180;
  cost[0,10,31] =  10;
  cost[0,11,31] =  317;
  cost[0,12,31] =  307;
  cost[0,13,31] =  262;
  cost[0,14,31] =  169;
  cost[0,15,31] =  100;
  cost[0,16,31] =  148;
  cost[0,17,31] =  162;
  cost[1,0,31] =  263;
  cost[1,1,31] =  0;
  cost[1,2,31] =  202;
  cost[1,3,31] =  22;
  cost[1,4,31] =  201;
  cost[1,5,31] =  43;
  cost[1,6,31] =  300;
  cost[1,7,31] =  277;
  cost[1,8,31] =  97;
  cost[1,9,31] =  107;
  cost[1,10,31] =  34;
  cost[1,11,31] =  96;
  cost[1,12,31] =  220;
  cost[1,13,31] =  262;
  cost[1,14,31] =  84;
  cost[1,15,31] =  160;
  cost[1,16,31] =  265;
  cost[1,17,31] =  279;
  cost[2,0,31] =  2;
  cost[2,1,31] =  202;
  cost[2,2,31] =  0;
  cost[2,3,31] =  255;
  cost[2,4,31] =  197;
  cost[2,5,31] =  253;
  cost[2,6,31] =  303;
  cost[2,7,31] =  54;
  cost[2,8,31] =  264;
  cost[2,9,31] =  297;
  cost[2,10,31] =  38;
  cost[2,11,31] =  202;
  cost[2,12,31] =  143;
  cost[2,13,31] =  138;
  cost[2,14,31] =  27;
  cost[2,15,31] =  305;
  cost[2,16,31] =  55;
  cost[2,17,31] =  229;
  cost[3,0,31] =  194;
  cost[3,1,31] =  22;
  cost[3,2,31] =  255;
  cost[3,3,31] =  0;
  cost[3,4,31] =  257;
  cost[3,5,31] =  272;
  cost[3,6,31] =  304;
  cost[3,7,31] =  210;
  cost[3,8,31] =  46;
  cost[3,9,31] =  88;
  cost[3,10,31] =  244;
  cost[3,11,31] =  142;
  cost[3,12,31] =  309;
  cost[3,13,31] =  183;
  cost[3,14,31] =  227;
  cost[3,15,31] =  145;
  cost[3,16,31] =  124;
  cost[3,17,31] =  182;
  cost[4,0,31] =  267;
  cost[4,1,31] =  201;
  cost[4,2,31] =  197;
  cost[4,3,31] =  257;
  cost[4,4,31] =  0;
  cost[4,5,31] =  56;
  cost[4,6,31] =  56;
  cost[4,7,31] =  179;
  cost[4,8,31] =  36;
  cost[4,9,31] =  110;
  cost[4,10,31] =  119;
  cost[4,11,31] =  9;
  cost[4,12,31] =  148;
  cost[4,13,31] =  322;
  cost[4,14,31] =  152;
  cost[4,15,31] =  287;
  cost[4,16,31] =  25;
  cost[4,17,31] =  133;
  cost[5,0,31] =  314;
  cost[5,1,31] =  43;
  cost[5,2,31] =  253;
  cost[5,3,31] =  272;
  cost[5,4,31] =  56;
  cost[5,5,31] =  0;
  cost[5,6,31] =  255;
  cost[5,7,31] =  137;
  cost[5,8,31] =  275;
  cost[5,9,31] =  203;
  cost[5,10,31] =  118;
  cost[5,11,31] =  162;
  cost[5,12,31] =  250;
  cost[5,13,31] =  207;
  cost[5,14,31] =  83;
  cost[5,15,31] =  68;
  cost[5,16,31] =  192;
  cost[5,17,31] =  266;
  cost[6,0,31] =  241;
  cost[6,1,31] =  300;
  cost[6,2,31] =  303;
  cost[6,3,31] =  304;
  cost[6,4,31] =  56;
  cost[6,5,31] =  255;
  cost[6,6,31] =  0;
  cost[6,7,31] =  14;
  cost[6,8,31] =  67;
  cost[6,9,31] =  154;
  cost[6,10,31] =  263;
  cost[6,11,31] =  124;
  cost[6,12,31] =  210;
  cost[6,13,31] =  118;
  cost[6,14,31] =  160;
  cost[6,15,31] =  320;
  cost[6,16,31] =  237;
  cost[6,17,31] =  169;
  cost[7,0,31] =  150;
  cost[7,1,31] =  277;
  cost[7,2,31] =  54;
  cost[7,3,31] =  210;
  cost[7,4,31] =  179;
  cost[7,5,31] =  137;
  cost[7,6,31] =  14;
  cost[7,7,31] =  0;
  cost[7,8,31] =  236;
  cost[7,9,31] =  322;
  cost[7,10,31] =  108;
  cost[7,11,31] =  261;
  cost[7,12,31] =  132;
  cost[7,13,31] =  127;
  cost[7,14,31] =  192;
  cost[7,15,31] =  270;
  cost[7,16,31] =  79;
  cost[7,17,31] =  72;
  cost[8,0,31] =  48;
  cost[8,1,31] =  97;
  cost[8,2,31] =  264;
  cost[8,3,31] =  46;
  cost[8,4,31] =  36;
  cost[8,5,31] =  275;
  cost[8,6,31] =  67;
  cost[8,7,31] =  236;
  cost[8,8,31] =  0;
  cost[8,9,31] =  241;
  cost[8,10,31] =  322;
  cost[8,11,31] =  272;
  cost[8,12,31] =  0;
  cost[8,13,31] =  66;
  cost[8,14,31] =  141;
  cost[8,15,31] =  267;
  cost[8,16,31] =  38;
  cost[8,17,31] =  155;
  cost[9,0,31] =  180;
  cost[9,1,31] =  107;
  cost[9,2,31] =  297;
  cost[9,3,31] =  88;
  cost[9,4,31] =  110;
  cost[9,5,31] =  203;
  cost[9,6,31] =  154;
  cost[9,7,31] =  322;
  cost[9,8,31] =  241;
  cost[9,9,31] =  0;
  cost[9,10,31] =  192;
  cost[9,11,31] =  94;
  cost[9,12,31] =  135;
  cost[9,13,31] =  79;
  cost[9,14,31] =  213;
  cost[9,15,31] =  296;
  cost[9,16,31] =  76;
  cost[9,17,31] =  127;
  cost[10,0,31] =  10;
  cost[10,1,31] =  34;
  cost[10,2,31] =  38;
  cost[10,3,31] =  244;
  cost[10,4,31] =  119;
  cost[10,5,31] =  118;
  cost[10,6,31] =  263;
  cost[10,7,31] =  108;
  cost[10,8,31] =  322;
  cost[10,9,31] =  192;
  cost[10,10,31] =  0;
  cost[10,11,31] =  221;
  cost[10,12,31] =  39;
  cost[10,13,31] =  140;
  cost[10,14,31] =  6;
  cost[10,15,31] =  301;
  cost[10,16,31] =  272;
  cost[10,17,31] =  134;
  cost[11,0,31] =  317;
  cost[11,1,31] =  96;
  cost[11,2,31] =  202;
  cost[11,3,31] =  142;
  cost[11,4,31] =  9;
  cost[11,5,31] =  162;
  cost[11,6,31] =  124;
  cost[11,7,31] =  261;
  cost[11,8,31] =  272;
  cost[11,9,31] =  94;
  cost[11,10,31] =  221;
  cost[11,11,31] =  0;
  cost[11,12,31] =  218;
  cost[11,13,31] =  214;
  cost[11,14,31] =  242;
  cost[11,15,31] =  283;
  cost[11,16,31] =  131;
  cost[11,17,31] =  241;
  cost[12,0,31] =  307;
  cost[12,1,31] =  220;
  cost[12,2,31] =  143;
  cost[12,3,31] =  309;
  cost[12,4,31] =  148;
  cost[12,5,31] =  250;
  cost[12,6,31] =  210;
  cost[12,7,31] =  132;
  cost[12,8,31] =  0;
  cost[12,9,31] =  135;
  cost[12,10,31] =  39;
  cost[12,11,31] =  218;
  cost[12,12,31] =  0;
  cost[12,13,31] =  132;
  cost[12,14,31] =  308;
  cost[12,15,31] =  48;
  cost[12,16,31] =  76;
  cost[12,17,31] =  22;
  cost[13,0,31] =  262;
  cost[13,1,31] =  262;
  cost[13,2,31] =  138;
  cost[13,3,31] =  183;
  cost[13,4,31] =  322;
  cost[13,5,31] =  207;
  cost[13,6,31] =  118;
  cost[13,7,31] =  127;
  cost[13,8,31] =  66;
  cost[13,9,31] =  79;
  cost[13,10,31] =  140;
  cost[13,11,31] =  214;
  cost[13,12,31] =  132;
  cost[13,13,31] =  0;
  cost[13,14,31] =  88;
  cost[13,15,31] =  215;
  cost[13,16,31] =  299;
  cost[13,17,31] =  224;
  cost[14,0,31] =  169;
  cost[14,1,31] =  84;
  cost[14,2,31] =  27;
  cost[14,3,31] =  227;
  cost[14,4,31] =  152;
  cost[14,5,31] =  83;
  cost[14,6,31] =  160;
  cost[14,7,31] =  192;
  cost[14,8,31] =  141;
  cost[14,9,31] =  213;
  cost[14,10,31] =  6;
  cost[14,11,31] =  242;
  cost[14,12,31] =  308;
  cost[14,13,31] =  88;
  cost[14,14,31] =  0;
  cost[14,15,31] =  188;
  cost[14,16,31] =  196;
  cost[14,17,31] =  47;
  cost[15,0,31] =  100;
  cost[15,1,31] =  160;
  cost[15,2,31] =  305;
  cost[15,3,31] =  145;
  cost[15,4,31] =  287;
  cost[15,5,31] =  68;
  cost[15,6,31] =  320;
  cost[15,7,31] =  270;
  cost[15,8,31] =  267;
  cost[15,9,31] =  296;
  cost[15,10,31] =  301;
  cost[15,11,31] =  283;
  cost[15,12,31] =  48;
  cost[15,13,31] =  215;
  cost[15,14,31] =  188;
  cost[15,15,31] =  0;
  cost[15,16,31] =  14;
  cost[15,17,31] =  269;
  cost[16,0,31] =  148;
  cost[16,1,31] =  265;
  cost[16,2,31] =  55;
  cost[16,3,31] =  124;
  cost[16,4,31] =  25;
  cost[16,5,31] =  192;
  cost[16,6,31] =  237;
  cost[16,7,31] =  79;
  cost[16,8,31] =  38;
  cost[16,9,31] =  76;
  cost[16,10,31] =  272;
  cost[16,11,31] =  131;
  cost[16,12,31] =  76;
  cost[16,13,31] =  299;
  cost[16,14,31] =  196;
  cost[16,15,31] =  14;
  cost[16,16,31] =  0;
  cost[16,17,31] =  154;
  cost[17,0,31] =  162;
  cost[17,1,31] =  279;
  cost[17,2,31] =  229;
  cost[17,3,31] =  182;
  cost[17,4,31] =  133;
  cost[17,5,31] =  266;
  cost[17,6,31] =  169;
  cost[17,7,31] =  72;
  cost[17,8,31] =  155;
  cost[17,9,31] =  127;
  cost[17,10,31] =  134;
  cost[17,11,31] =  241;
  cost[17,12,31] =  22;
  cost[17,13,31] =  224;
  cost[17,14,31] =  47;
  cost[17,15,31] =  269;
  cost[17,16,31] =  154;
  cost[17,17,31] =  0;
  cost[0,0,32] =  0;
  cost[0,1,32] =  103;
  cost[0,2,32] =  86;
  cost[0,3,32] =  180;
  cost[0,4,32] =  321;
  cost[0,5,32] =  300;
  cost[0,6,32] =  99;
  cost[0,7,32] =  281;
  cost[0,8,32] =  108;
  cost[0,9,32] =  16;
  cost[0,10,32] =  188;
  cost[0,11,32] =  241;
  cost[0,12,32] =  0;
  cost[0,13,32] =  237;
  cost[0,14,32] =  317;
  cost[0,15,32] =  23;
  cost[0,16,32] =  117;
  cost[0,17,32] =  81;
  cost[1,0,32] =  103;
  cost[1,1,32] =  0;
  cost[1,2,32] =  92;
  cost[1,3,32] =  305;
  cost[1,4,32] =  210;
  cost[1,5,32] =  281;
  cost[1,6,32] =  178;
  cost[1,7,32] =  257;
  cost[1,8,32] =  273;
  cost[1,9,32] =  192;
  cost[1,10,32] =  202;
  cost[1,11,32] =  306;
  cost[1,12,32] =  23;
  cost[1,13,32] =  154;
  cost[1,14,32] =  315;
  cost[1,15,32] =  126;
  cost[1,16,32] =  241;
  cost[1,17,32] =  172;
  cost[2,0,32] =  86;
  cost[2,1,32] =  92;
  cost[2,2,32] =  0;
  cost[2,3,32] =  217;
  cost[2,4,32] =  271;
  cost[2,5,32] =  81;
  cost[2,6,32] =  2;
  cost[2,7,32] =  287;
  cost[2,8,32] =  270;
  cost[2,9,32] =  243;
  cost[2,10,32] =  288;
  cost[2,11,32] =  183;
  cost[2,12,32] =  237;
  cost[2,13,32] =  312;
  cost[2,14,32] =  301;
  cost[2,15,32] =  319;
  cost[2,16,32] =  227;
  cost[2,17,32] =  70;
  cost[3,0,32] =  180;
  cost[3,1,32] =  305;
  cost[3,2,32] =  217;
  cost[3,3,32] =  0;
  cost[3,4,32] =  113;
  cost[3,5,32] =  27;
  cost[3,6,32] =  155;
  cost[3,7,32] =  47;
  cost[3,8,32] =  301;
  cost[3,9,32] =  23;
  cost[3,10,32] =  249;
  cost[3,11,32] =  283;
  cost[3,12,32] =  46;
  cost[3,13,32] =  80;
  cost[3,14,32] =  275;
  cost[3,15,32] =  173;
  cost[3,16,32] =  321;
  cost[3,17,32] =  124;
  cost[4,0,32] =  321;
  cost[4,1,32] =  210;
  cost[4,2,32] =  271;
  cost[4,3,32] =  113;
  cost[4,4,32] =  0;
  cost[4,5,32] =  215;
  cost[4,6,32] =  71;
  cost[4,7,32] =  54;
  cost[4,8,32] =  217;
  cost[4,9,32] =  35;
  cost[4,10,32] =  0;
  cost[4,11,32] =  137;
  cost[4,12,32] =  0;
  cost[4,13,32] =  184;
  cost[4,14,32] =  50;
  cost[4,15,32] =  312;
  cost[4,16,32] =  161;
  cost[4,17,32] =  45;
  cost[5,0,32] =  300;
  cost[5,1,32] =  281;
  cost[5,2,32] =  81;
  cost[5,3,32] =  27;
  cost[5,4,32] =  215;
  cost[5,5,32] =  0;
  cost[5,6,32] =  232;
  cost[5,7,32] =  22;
  cost[5,8,32] =  5;
  cost[5,9,32] =  260;
  cost[5,10,32] =  178;
  cost[5,11,32] =  52;
  cost[5,12,32] =  237;
  cost[5,13,32] =  201;
  cost[5,14,32] =  302;
  cost[5,15,32] =  197;
  cost[5,16,32] =  248;
  cost[5,17,32] =  58;
  cost[6,0,32] =  99;
  cost[6,1,32] =  178;
  cost[6,2,32] =  2;
  cost[6,3,32] =  155;
  cost[6,4,32] =  71;
  cost[6,5,32] =  232;
  cost[6,6,32] =  0;
  cost[6,7,32] =  97;
  cost[6,8,32] =  56;
  cost[6,9,32] =  273;
  cost[6,10,32] =  70;
  cost[6,11,32] =  271;
  cost[6,12,32] =  21;
  cost[6,13,32] =  125;
  cost[6,14,32] =  165;
  cost[6,15,32] =  56;
  cost[6,16,32] =  125;
  cost[6,17,32] =  303;
  cost[7,0,32] =  281;
  cost[7,1,32] =  257;
  cost[7,2,32] =  287;
  cost[7,3,32] =  47;
  cost[7,4,32] =  54;
  cost[7,5,32] =  22;
  cost[7,6,32] =  97;
  cost[7,7,32] =  0;
  cost[7,8,32] =  309;
  cost[7,9,32] =  29;
  cost[7,10,32] =  45;
  cost[7,11,32] =  147;
  cost[7,12,32] =  75;
  cost[7,13,32] =  261;
  cost[7,14,32] =  55;
  cost[7,15,32] =  98;
  cost[7,16,32] =  266;
  cost[7,17,32] =  315;
  cost[8,0,32] =  108;
  cost[8,1,32] =  273;
  cost[8,2,32] =  270;
  cost[8,3,32] =  301;
  cost[8,4,32] =  217;
  cost[8,5,32] =  5;
  cost[8,6,32] =  56;
  cost[8,7,32] =  309;
  cost[8,8,32] =  0;
  cost[8,9,32] =  319;
  cost[8,10,32] =  229;
  cost[8,11,32] =  154;
  cost[8,12,32] =  297;
  cost[8,13,32] =  103;
  cost[8,14,32] =  78;
  cost[8,15,32] =  31;
  cost[8,16,32] =  252;
  cost[8,17,32] =  176;
  cost[9,0,32] =  16;
  cost[9,1,32] =  192;
  cost[9,2,32] =  243;
  cost[9,3,32] =  23;
  cost[9,4,32] =  35;
  cost[9,5,32] =  260;
  cost[9,6,32] =  273;
  cost[9,7,32] =  29;
  cost[9,8,32] =  319;
  cost[9,9,32] =  0;
  cost[9,10,32] =  202;
  cost[9,11,32] =  247;
  cost[9,12,32] =  36;
  cost[9,13,32] =  223;
  cost[9,14,32] =  48;
  cost[9,15,32] =  201;
  cost[9,16,32] =  280;
  cost[9,17,32] =  173;
  cost[10,0,32] =  188;
  cost[10,1,32] =  202;
  cost[10,2,32] =  288;
  cost[10,3,32] =  249;
  cost[10,4,32] =  0;
  cost[10,5,32] =  178;
  cost[10,6,32] =  70;
  cost[10,7,32] =  45;
  cost[10,8,32] =  229;
  cost[10,9,32] =  202;
  cost[10,10,32] =  0;
  cost[10,11,32] =  12;
  cost[10,12,32] =  159;
  cost[10,13,32] =  210;
  cost[10,14,32] =  58;
  cost[10,15,32] =  307;
  cost[10,16,32] =  285;
  cost[10,17,32] =  319;
  cost[11,0,32] =  241;
  cost[11,1,32] =  306;
  cost[11,2,32] =  183;
  cost[11,3,32] =  283;
  cost[11,4,32] =  137;
  cost[11,5,32] =  52;
  cost[11,6,32] =  271;
  cost[11,7,32] =  147;
  cost[11,8,32] =  154;
  cost[11,9,32] =  247;
  cost[11,10,32] =  12;
  cost[11,11,32] =  0;
  cost[11,12,32] =  59;
  cost[11,13,32] =  261;
  cost[11,14,32] =  30;
  cost[11,15,32] =  12;
  cost[11,16,32] =  256;
  cost[11,17,32] =  260;
  cost[12,0,32] =  0;
  cost[12,1,32] =  23;
  cost[12,2,32] =  237;
  cost[12,3,32] =  46;
  cost[12,4,32] =  0;
  cost[12,5,32] =  237;
  cost[12,6,32] =  21;
  cost[12,7,32] =  75;
  cost[12,8,32] =  297;
  cost[12,9,32] =  36;
  cost[12,10,32] =  159;
  cost[12,11,32] =  59;
  cost[12,12,32] =  0;
  cost[12,13,32] =  230;
  cost[12,14,32] =  39;
  cost[12,15,32] =  245;
  cost[12,16,32] =  262;
  cost[12,17,32] =  292;
  cost[13,0,32] =  237;
  cost[13,1,32] =  154;
  cost[13,2,32] =  312;
  cost[13,3,32] =  80;
  cost[13,4,32] =  184;
  cost[13,5,32] =  201;
  cost[13,6,32] =  125;
  cost[13,7,32] =  261;
  cost[13,8,32] =  103;
  cost[13,9,32] =  223;
  cost[13,10,32] =  210;
  cost[13,11,32] =  261;
  cost[13,12,32] =  230;
  cost[13,13,32] =  0;
  cost[13,14,32] =  26;
  cost[13,15,32] =  170;
  cost[13,16,32] =  21;
  cost[13,17,32] =  62;
  cost[14,0,32] =  317;
  cost[14,1,32] =  315;
  cost[14,2,32] =  301;
  cost[14,3,32] =  275;
  cost[14,4,32] =  50;
  cost[14,5,32] =  302;
  cost[14,6,32] =  165;
  cost[14,7,32] =  55;
  cost[14,8,32] =  78;
  cost[14,9,32] =  48;
  cost[14,10,32] =  58;
  cost[14,11,32] =  30;
  cost[14,12,32] =  39;
  cost[14,13,32] =  26;
  cost[14,14,32] =  0;
  cost[14,15,32] =  69;
  cost[14,16,32] =  264;
  cost[14,17,32] =  26;
  cost[15,0,32] =  23;
  cost[15,1,32] =  126;
  cost[15,2,32] =  319;
  cost[15,3,32] =  173;
  cost[15,4,32] =  312;
  cost[15,5,32] =  197;
  cost[15,6,32] =  56;
  cost[15,7,32] =  98;
  cost[15,8,32] =  31;
  cost[15,9,32] =  201;
  cost[15,10,32] =  307;
  cost[15,11,32] =  12;
  cost[15,12,32] =  245;
  cost[15,13,32] =  170;
  cost[15,14,32] =  69;
  cost[15,15,32] =  0;
  cost[15,16,32] =  121;
  cost[15,17,32] =  39;
  cost[16,0,32] =  117;
  cost[16,1,32] =  241;
  cost[16,2,32] =  227;
  cost[16,3,32] =  321;
  cost[16,4,32] =  161;
  cost[16,5,32] =  248;
  cost[16,6,32] =  125;
  cost[16,7,32] =  266;
  cost[16,8,32] =  252;
  cost[16,9,32] =  280;
  cost[16,10,32] =  285;
  cost[16,11,32] =  256;
  cost[16,12,32] =  262;
  cost[16,13,32] =  21;
  cost[16,14,32] =  264;
  cost[16,15,32] =  121;
  cost[16,16,32] =  0;
  cost[16,17,32] =  8;
  cost[17,0,32] =  81;
  cost[17,1,32] =  172;
  cost[17,2,32] =  70;
  cost[17,3,32] =  124;
  cost[17,4,32] =  45;
  cost[17,5,32] =  58;
  cost[17,6,32] =  303;
  cost[17,7,32] =  315;
  cost[17,8,32] =  176;
  cost[17,9,32] =  173;
  cost[17,10,32] =  319;
  cost[17,11,32] =  260;
  cost[17,12,32] =  292;
  cost[17,13,32] =  62;
  cost[17,14,32] =  26;
  cost[17,15,32] =  39;
  cost[17,16,32] =  8;
  cost[17,17,32] =  0;
  cost[0,0,33] =  0;
  cost[0,1,33] =  294;
  cost[0,2,33] =  92;
  cost[0,3,33] =  101;
  cost[0,4,33] =  30;
  cost[0,5,33] =  30;
  cost[0,6,33] =  132;
  cost[0,7,33] =  42;
  cost[0,8,33] =  287;
  cost[0,9,33] =  68;
  cost[0,10,33] =  208;
  cost[0,11,33] =  193;
  cost[0,12,33] =  108;
  cost[0,13,33] =  130;
  cost[0,14,33] =  132;
  cost[0,15,33] =  77;
  cost[0,16,33] =  228;
  cost[0,17,33] =  158;
  cost[1,0,33] =  294;
  cost[1,1,33] =  0;
  cost[1,2,33] =  249;
  cost[1,3,33] =  221;
  cost[1,4,33] =  318;
  cost[1,5,33] =  319;
  cost[1,6,33] =  162;
  cost[1,7,33] =  21;
  cost[1,8,33] =  238;
  cost[1,9,33] =  284;
  cost[1,10,33] =  60;
  cost[1,11,33] =  318;
  cost[1,12,33] =  292;
  cost[1,13,33] =  157;
  cost[1,14,33] =  56;
  cost[1,15,33] =  263;
  cost[1,16,33] =  250;
  cost[1,17,33] =  158;
  cost[2,0,33] =  92;
  cost[2,1,33] =  249;
  cost[2,2,33] =  0;
  cost[2,3,33] =  280;
  cost[2,4,33] =  290;
  cost[2,5,33] =  12;
  cost[2,6,33] =  244;
  cost[2,7,33] =  35;
  cost[2,8,33] =  221;
  cost[2,9,33] =  113;
  cost[2,10,33] =  144;
  cost[2,11,33] =  27;
  cost[2,12,33] =  246;
  cost[2,13,33] =  221;
  cost[2,14,33] =  255;
  cost[2,15,33] =  80;
  cost[2,16,33] =  146;
  cost[2,17,33] =  180;
  cost[3,0,33] =  101;
  cost[3,1,33] =  221;
  cost[3,2,33] =  280;
  cost[3,3,33] =  0;
  cost[3,4,33] =  140;
  cost[3,5,33] =  175;
  cost[3,6,33] =  141;
  cost[3,7,33] =  162;
  cost[3,8,33] =  90;
  cost[3,9,33] =  101;
  cost[3,10,33] =  222;
  cost[3,11,33] =  84;
  cost[3,12,33] =  70;
  cost[3,13,33] =  56;
  cost[3,14,33] =  141;
  cost[3,15,33] =  9;
  cost[3,16,33] =  306;
  cost[3,17,33] =  300;
  cost[4,0,33] =  30;
  cost[4,1,33] =  318;
  cost[4,2,33] =  290;
  cost[4,3,33] =  140;
  cost[4,4,33] =  0;
  cost[4,5,33] =  263;
  cost[4,6,33] =  266;
  cost[4,7,33] =  315;
  cost[4,8,33] =  183;
  cost[4,9,33] =  302;
  cost[4,10,33] =  212;
  cost[4,11,33] =  297;
  cost[4,12,33] =  123;
  cost[4,13,33] =  239;
  cost[4,14,33] =  219;
  cost[4,15,33] =  21;
  cost[4,16,33] =  171;
  cost[4,17,33] =  300;
  cost[5,0,33] =  30;
  cost[5,1,33] =  319;
  cost[5,2,33] =  12;
  cost[5,3,33] =  175;
  cost[5,4,33] =  263;
  cost[5,5,33] =  0;
  cost[5,6,33] =  27;
  cost[5,7,33] =  279;
  cost[5,8,33] =  308;
  cost[5,9,33] =  203;
  cost[5,10,33] =  96;
  cost[5,11,33] =  146;
  cost[5,12,33] =  294;
  cost[5,13,33] =  197;
  cost[5,14,33] =  44;
  cost[5,15,33] =  55;
  cost[5,16,33] =  268;
  cost[5,17,33] =  101;
  cost[6,0,33] =  132;
  cost[6,1,33] =  162;
  cost[6,2,33] =  244;
  cost[6,3,33] =  141;
  cost[6,4,33] =  266;
  cost[6,5,33] =  27;
  cost[6,6,33] =  0;
  cost[6,7,33] =  278;
  cost[6,8,33] =  83;
  cost[6,9,33] =  173;
  cost[6,10,33] =  257;
  cost[6,11,33] =  23;
  cost[6,12,33] =  116;
  cost[6,13,33] =  249;
  cost[6,14,33] =  207;
  cost[6,15,33] =  94;
  cost[6,16,33] =  137;
  cost[6,17,33] =  180;
  cost[7,0,33] =  42;
  cost[7,1,33] =  21;
  cost[7,2,33] =  35;
  cost[7,3,33] =  162;
  cost[7,4,33] =  315;
  cost[7,5,33] =  279;
  cost[7,6,33] =  278;
  cost[7,7,33] =  0;
  cost[7,8,33] =  53;
  cost[7,9,33] =  76;
  cost[7,10,33] =  239;
  cost[7,11,33] =  224;
  cost[7,12,33] =  52;
  cost[7,13,33] =  82;
  cost[7,14,33] =  252;
  cost[7,15,33] =  7;
  cost[7,16,33] =  66;
  cost[7,17,33] =  132;
  cost[8,0,33] =  287;
  cost[8,1,33] =  238;
  cost[8,2,33] =  221;
  cost[8,3,33] =  90;
  cost[8,4,33] =  183;
  cost[8,5,33] =  308;
  cost[8,6,33] =  83;
  cost[8,7,33] =  53;
  cost[8,8,33] =  0;
  cost[8,9,33] =  212;
  cost[8,10,33] =  103;
  cost[8,11,33] =  302;
  cost[8,12,33] =  257;
  cost[8,13,33] =  158;
  cost[8,14,33] =  246;
  cost[8,15,33] =  34;
  cost[8,16,33] =  32;
  cost[8,17,33] =  201;
  cost[9,0,33] =  68;
  cost[9,1,33] =  284;
  cost[9,2,33] =  113;
  cost[9,3,33] =  101;
  cost[9,4,33] =  302;
  cost[9,5,33] =  203;
  cost[9,6,33] =  173;
  cost[9,7,33] =  76;
  cost[9,8,33] =  212;
  cost[9,9,33] =  0;
  cost[9,10,33] =  205;
  cost[9,11,33] =  135;
  cost[9,12,33] =  142;
  cost[9,13,33] =  321;
  cost[9,14,33] =  60;
  cost[9,15,33] =  25;
  cost[9,16,33] =  92;
  cost[9,17,33] =  198;
  cost[10,0,33] =  208;
  cost[10,1,33] =  60;
  cost[10,2,33] =  144;
  cost[10,3,33] =  222;
  cost[10,4,33] =  212;
  cost[10,5,33] =  96;
  cost[10,6,33] =  257;
  cost[10,7,33] =  239;
  cost[10,8,33] =  103;
  cost[10,9,33] =  205;
  cost[10,10,33] =  0;
  cost[10,11,33] =  310;
  cost[10,12,33] =  252;
  cost[10,13,33] =  282;
  cost[10,14,33] =  226;
  cost[10,15,33] =  153;
  cost[10,16,33] =  11;
  cost[10,17,33] =  308;
  cost[11,0,33] =  193;
  cost[11,1,33] =  318;
  cost[11,2,33] =  27;
  cost[11,3,33] =  84;
  cost[11,4,33] =  297;
  cost[11,5,33] =  146;
  cost[11,6,33] =  23;
  cost[11,7,33] =  224;
  cost[11,8,33] =  302;
  cost[11,9,33] =  135;
  cost[11,10,33] =  310;
  cost[11,11,33] =  0;
  cost[11,12,33] =  18;
  cost[11,13,33] =  51;
  cost[11,14,33] =  215;
  cost[11,15,33] =  123;
  cost[11,16,33] =  263;
  cost[11,17,33] =  318;
  cost[12,0,33] =  108;
  cost[12,1,33] =  292;
  cost[12,2,33] =  246;
  cost[12,3,33] =  70;
  cost[12,4,33] =  123;
  cost[12,5,33] =  294;
  cost[12,6,33] =  116;
  cost[12,7,33] =  52;
  cost[12,8,33] =  257;
  cost[12,9,33] =  142;
  cost[12,10,33] =  252;
  cost[12,11,33] =  18;
  cost[12,12,33] =  0;
  cost[12,13,33] =  197;
  cost[12,14,33] =  153;
  cost[12,15,33] =  23;
  cost[12,16,33] =  232;
  cost[12,17,33] =  185;
  cost[13,0,33] =  130;
  cost[13,1,33] =  157;
  cost[13,2,33] =  221;
  cost[13,3,33] =  56;
  cost[13,4,33] =  239;
  cost[13,5,33] =  197;
  cost[13,6,33] =  249;
  cost[13,7,33] =  82;
  cost[13,8,33] =  158;
  cost[13,9,33] =  321;
  cost[13,10,33] =  282;
  cost[13,11,33] =  51;
  cost[13,12,33] =  197;
  cost[13,13,33] =  0;
  cost[13,14,33] =  26;
  cost[13,15,33] =  67;
  cost[13,16,33] =  36;
  cost[13,17,33] =  168;
  cost[14,0,33] =  132;
  cost[14,1,33] =  56;
  cost[14,2,33] =  255;
  cost[14,3,33] =  141;
  cost[14,4,33] =  219;
  cost[14,5,33] =  44;
  cost[14,6,33] =  207;
  cost[14,7,33] =  252;
  cost[14,8,33] =  246;
  cost[14,9,33] =  60;
  cost[14,10,33] =  226;
  cost[14,11,33] =  215;
  cost[14,12,33] =  153;
  cost[14,13,33] =  26;
  cost[14,14,33] =  0;
  cost[14,15,33] =  96;
  cost[14,16,33] =  193;
  cost[14,17,33] =  157;
  cost[15,0,33] =  77;
  cost[15,1,33] =  263;
  cost[15,2,33] =  80;
  cost[15,3,33] =  9;
  cost[15,4,33] =  21;
  cost[15,5,33] =  55;
  cost[15,6,33] =  94;
  cost[15,7,33] =  7;
  cost[15,8,33] =  34;
  cost[15,9,33] =  25;
  cost[15,10,33] =  153;
  cost[15,11,33] =  123;
  cost[15,12,33] =  23;
  cost[15,13,33] =  67;
  cost[15,14,33] =  96;
  cost[15,15,33] =  0;
  cost[15,16,33] =  75;
  cost[15,17,33] =  144;
  cost[16,0,33] =  228;
  cost[16,1,33] =  250;
  cost[16,2,33] =  146;
  cost[16,3,33] =  306;
  cost[16,4,33] =  171;
  cost[16,5,33] =  268;
  cost[16,6,33] =  137;
  cost[16,7,33] =  66;
  cost[16,8,33] =  32;
  cost[16,9,33] =  92;
  cost[16,10,33] =  11;
  cost[16,11,33] =  263;
  cost[16,12,33] =  232;
  cost[16,13,33] =  36;
  cost[16,14,33] =  193;
  cost[16,15,33] =  75;
  cost[16,16,33] =  0;
  cost[16,17,33] =  33;
  cost[17,0,33] =  158;
  cost[17,1,33] =  158;
  cost[17,2,33] =  180;
  cost[17,3,33] =  300;
  cost[17,4,33] =  300;
  cost[17,5,33] =  101;
  cost[17,6,33] =  180;
  cost[17,7,33] =  132;
  cost[17,8,33] =  201;
  cost[17,9,33] =  198;
  cost[17,10,33] =  308;
  cost[17,11,33] =  318;
  cost[17,12,33] =  185;
  cost[17,13,33] =  168;
  cost[17,14,33] =  157;
  cost[17,15,33] =  144;
  cost[17,16,33] =  33;
  cost[17,17,33] =  0;
  cost[0,0,34] =  0;
  cost[0,1,34] =  45;
  cost[0,2,34] =  31;
  cost[0,3,34] =  135;
  cost[0,4,34] =  63;
  cost[0,5,34] =  82;
  cost[0,6,34] =  26;
  cost[0,7,34] =  187;
  cost[0,8,34] =  22;
  cost[0,9,34] =  21;
  cost[0,10,34] =  288;
  cost[0,11,34] =  219;
  cost[0,12,34] =  174;
  cost[0,13,34] =  311;
  cost[0,14,34] =  127;
  cost[0,15,34] =  36;
  cost[0,16,34] =  212;
  cost[0,17,34] =  154;
  cost[1,0,34] =  45;
  cost[1,1,34] =  0;
  cost[1,2,34] =  249;
  cost[1,3,34] =  323;
  cost[1,4,34] =  168;
  cost[1,5,34] =  22;
  cost[1,6,34] =  192;
  cost[1,7,34] =  2;
  cost[1,8,34] =  317;
  cost[1,9,34] =  268;
  cost[1,10,34] =  147;
  cost[1,11,34] =  217;
  cost[1,12,34] =  302;
  cost[1,13,34] =  194;
  cost[1,14,34] =  271;
  cost[1,15,34] =  23;
  cost[1,16,34] =  225;
  cost[1,17,34] =  82;
  cost[2,0,34] =  31;
  cost[2,1,34] =  249;
  cost[2,2,34] =  0;
  cost[2,3,34] =  307;
  cost[2,4,34] =  109;
  cost[2,5,34] =  274;
  cost[2,6,34] =  6;
  cost[2,7,34] =  131;
  cost[2,8,34] =  238;
  cost[2,9,34] =  226;
  cost[2,10,34] =  305;
  cost[2,11,34] =  226;
  cost[2,12,34] =  29;
  cost[2,13,34] =  18;
  cost[2,14,34] =  115;
  cost[2,15,34] =  184;
  cost[2,16,34] =  122;
  cost[2,17,34] =  40;
  cost[3,0,34] =  135;
  cost[3,1,34] =  323;
  cost[3,2,34] =  307;
  cost[3,3,34] =  0;
  cost[3,4,34] =  290;
  cost[3,5,34] =  63;
  cost[3,6,34] =  52;
  cost[3,7,34] =  293;
  cost[3,8,34] =  56;
  cost[3,9,34] =  320;
  cost[3,10,34] =  116;
  cost[3,11,34] =  274;
  cost[3,12,34] =  299;
  cost[3,13,34] =  310;
  cost[3,14,34] =  221;
  cost[3,15,34] =  322;
  cost[3,16,34] =  212;
  cost[3,17,34] =  304;
  cost[4,0,34] =  63;
  cost[4,1,34] =  168;
  cost[4,2,34] =  109;
  cost[4,3,34] =  290;
  cost[4,4,34] =  0;
  cost[4,5,34] =  196;
  cost[4,6,34] =  90;
  cost[4,7,34] =  37;
  cost[4,8,34] =  202;
  cost[4,9,34] =  221;
  cost[4,10,34] =  275;
  cost[4,11,34] =  104;
  cost[4,12,34] =  203;
  cost[4,13,34] =  178;
  cost[4,14,34] =  134;
  cost[4,15,34] =  221;
  cost[4,16,34] =  293;
  cost[4,17,34] =  318;
  cost[5,0,34] =  82;
  cost[5,1,34] =  22;
  cost[5,2,34] =  274;
  cost[5,3,34] =  63;
  cost[5,4,34] =  196;
  cost[5,5,34] =  0;
  cost[5,6,34] =  10;
  cost[5,7,34] =  177;
  cost[5,8,34] =  310;
  cost[5,9,34] =  73;
  cost[5,10,34] =  229;
  cost[5,11,34] =  279;
  cost[5,12,34] =  130;
  cost[5,13,34] =  226;
  cost[5,14,34] =  72;
  cost[5,15,34] =  81;
  cost[5,16,34] =  202;
  cost[5,17,34] =  59;
  cost[6,0,34] =  26;
  cost[6,1,34] =  192;
  cost[6,2,34] =  6;
  cost[6,3,34] =  52;
  cost[6,4,34] =  90;
  cost[6,5,34] =  10;
  cost[6,6,34] =  0;
  cost[6,7,34] =  201;
  cost[6,8,34] =  271;
  cost[6,9,34] =  284;
  cost[6,10,34] =  287;
  cost[6,11,34] =  143;
  cost[6,12,34] =  50;
  cost[6,13,34] =  0;
  cost[6,14,34] =  21;
  cost[6,15,34] =  272;
  cost[6,16,34] =  276;
  cost[6,17,34] =  126;
  cost[7,0,34] =  187;
  cost[7,1,34] =  2;
  cost[7,2,34] =  131;
  cost[7,3,34] =  293;
  cost[7,4,34] =  37;
  cost[7,5,34] =  177;
  cost[7,6,34] =  201;
  cost[7,7,34] =  0;
  cost[7,8,34] =  130;
  cost[7,9,34] =  260;
  cost[7,10,34] =  49;
  cost[7,11,34] =  100;
  cost[7,12,34] =  254;
  cost[7,13,34] =  69;
  cost[7,14,34] =  111;
  cost[7,15,34] =  108;
  cost[7,16,34] =  55;
  cost[7,17,34] =  185;
  cost[8,0,34] =  22;
  cost[8,1,34] =  317;
  cost[8,2,34] =  238;
  cost[8,3,34] =  56;
  cost[8,4,34] =  202;
  cost[8,5,34] =  310;
  cost[8,6,34] =  271;
  cost[8,7,34] =  130;
  cost[8,8,34] =  0;
  cost[8,9,34] =  11;
  cost[8,10,34] =  315;
  cost[8,11,34] =  240;
  cost[8,12,34] =  84;
  cost[8,13,34] =  73;
  cost[8,14,34] =  119;
  cost[8,15,34] =  143;
  cost[8,16,34] =  52;
  cost[8,17,34] =  320;
  cost[9,0,34] =  21;
  cost[9,1,34] =  268;
  cost[9,2,34] =  226;
  cost[9,3,34] =  320;
  cost[9,4,34] =  221;
  cost[9,5,34] =  73;
  cost[9,6,34] =  284;
  cost[9,7,34] =  260;
  cost[9,8,34] =  11;
  cost[9,9,34] =  0;
  cost[9,10,34] =  12;
  cost[9,11,34] =  283;
  cost[9,12,34] =  234;
  cost[9,13,34] =  63;
  cost[9,14,34] =  284;
  cost[9,15,34] =  256;
  cost[9,16,34] =  11;
  cost[9,17,34] =  237;
  cost[10,0,34] =  288;
  cost[10,1,34] =  147;
  cost[10,2,34] =  305;
  cost[10,3,34] =  116;
  cost[10,4,34] =  275;
  cost[10,5,34] =  229;
  cost[10,6,34] =  287;
  cost[10,7,34] =  49;
  cost[10,8,34] =  315;
  cost[10,9,34] =  12;
  cost[10,10,34] =  0;
  cost[10,11,34] =  163;
  cost[10,12,34] =  43;
  cost[10,13,34] =  318;
  cost[10,14,34] =  213;
  cost[10,15,34] =  144;
  cost[10,16,34] =  249;
  cost[10,17,34] =  282;
  cost[11,0,34] =  219;
  cost[11,1,34] =  217;
  cost[11,2,34] =  226;
  cost[11,3,34] =  274;
  cost[11,4,34] =  104;
  cost[11,5,34] =  279;
  cost[11,6,34] =  143;
  cost[11,7,34] =  100;
  cost[11,8,34] =  240;
  cost[11,9,34] =  283;
  cost[11,10,34] =  163;
  cost[11,11,34] =  0;
  cost[11,12,34] =  33;
  cost[11,13,34] =  14;
  cost[11,14,34] =  117;
  cost[11,15,34] =  48;
  cost[11,16,34] =  26;
  cost[11,17,34] =  109;
  cost[12,0,34] =  174;
  cost[12,1,34] =  302;
  cost[12,2,34] =  29;
  cost[12,3,34] =  299;
  cost[12,4,34] =  203;
  cost[12,5,34] =  130;
  cost[12,6,34] =  50;
  cost[12,7,34] =  254;
  cost[12,8,34] =  84;
  cost[12,9,34] =  234;
  cost[12,10,34] =  43;
  cost[12,11,34] =  33;
  cost[12,12,34] =  0;
  cost[12,13,34] =  110;
  cost[12,14,34] =  182;
  cost[12,15,34] =  84;
  cost[12,16,34] =  254;
  cost[12,17,34] =  234;
  cost[13,0,34] =  311;
  cost[13,1,34] =  194;
  cost[13,2,34] =  18;
  cost[13,3,34] =  310;
  cost[13,4,34] =  178;
  cost[13,5,34] =  226;
  cost[13,6,34] =  0;
  cost[13,7,34] =  69;
  cost[13,8,34] =  73;
  cost[13,9,34] =  63;
  cost[13,10,34] =  318;
  cost[13,11,34] =  14;
  cost[13,12,34] =  110;
  cost[13,13,34] =  0;
  cost[13,14,34] =  22;
  cost[13,15,34] =  247;
  cost[13,16,34] =  40;
  cost[13,17,34] =  256;
  cost[14,0,34] =  127;
  cost[14,1,34] =  271;
  cost[14,2,34] =  115;
  cost[14,3,34] =  221;
  cost[14,4,34] =  134;
  cost[14,5,34] =  72;
  cost[14,6,34] =  21;
  cost[14,7,34] =  111;
  cost[14,8,34] =  119;
  cost[14,9,34] =  284;
  cost[14,10,34] =  213;
  cost[14,11,34] =  117;
  cost[14,12,34] =  182;
  cost[14,13,34] =  22;
  cost[14,14,34] =  0;
  cost[14,15,34] =  1;
  cost[14,16,34] =  189;
  cost[14,17,34] =  321;
  cost[15,0,34] =  36;
  cost[15,1,34] =  23;
  cost[15,2,34] =  184;
  cost[15,3,34] =  322;
  cost[15,4,34] =  221;
  cost[15,5,34] =  81;
  cost[15,6,34] =  272;
  cost[15,7,34] =  108;
  cost[15,8,34] =  143;
  cost[15,9,34] =  256;
  cost[15,10,34] =  144;
  cost[15,11,34] =  48;
  cost[15,12,34] =  84;
  cost[15,13,34] =  247;
  cost[15,14,34] =  1;
  cost[15,15,34] =  0;
  cost[15,16,34] =  248;
  cost[15,17,34] =  161;
  cost[16,0,34] =  212;
  cost[16,1,34] =  225;
  cost[16,2,34] =  122;
  cost[16,3,34] =  212;
  cost[16,4,34] =  293;
  cost[16,5,34] =  202;
  cost[16,6,34] =  276;
  cost[16,7,34] =  55;
  cost[16,8,34] =  52;
  cost[16,9,34] =  11;
  cost[16,10,34] =  249;
  cost[16,11,34] =  26;
  cost[16,12,34] =  254;
  cost[16,13,34] =  40;
  cost[16,14,34] =  189;
  cost[16,15,34] =  248;
  cost[16,16,34] =  0;
  cost[16,17,34] =  243;
  cost[17,0,34] =  154;
  cost[17,1,34] =  82;
  cost[17,2,34] =  40;
  cost[17,3,34] =  304;
  cost[17,4,34] =  318;
  cost[17,5,34] =  59;
  cost[17,6,34] =  126;
  cost[17,7,34] =  185;
  cost[17,8,34] =  320;
  cost[17,9,34] =  237;
  cost[17,10,34] =  282;
  cost[17,11,34] =  109;
  cost[17,12,34] =  234;
  cost[17,13,34] =  256;
  cost[17,14,34] =  321;
  cost[17,15,34] =  161;
  cost[17,16,34] =  243;
  cost[17,17,34] =  0;
