pascalevi4

var A = [
  [1,  2,  3,  4,  5,  6],
  [7,  8,  9,  10, 11, 12],
  [13, 14, 15, 16, 17, 18],
  [19, 20, 21, 22, 23, 24],
  [25, 26, 27, 28, 29, 30],
  [31, 32, 33, 34, 35, 36]
];

var depth = 0;