mavend/octoboard

[
  [0, 1, 2, 3, 4, 5, 6, 7],
  [0, 8, 9, 10, 11, 12, 13, 14],
  [0, 15, 16, 17, 18, 19, 20, 21],
  [0, 22, 23, 24, 25, 26, 27, 28],
  [0, 29, 30, 31, 32, 33, 34, 35],
  [0, 36, 37, 38, 39, 40, 41, 42],
  [0, 43, 44, 45, 46, 47, 48, 49],
  [0, 50, 51, 52, 53, 54, 55, 56],
  [1, 8, 15, 22, 29, 36, 43, 50],
  [1, 9, 16, 23, 30, 37, 44, 51],
  [1, 10, 17, 24, 31, 38, 45, 52],
  [1, 11, 18, 25, 32, 39, 46, 53],
  [1, 12, 19, 26, 33, 40, 47, 54],
  [1, 13, 20, 27, 34, 41, 48, 55],
  [1, 14, 21, 28, 35, 42, 49, 56],
  [2, 8, 16, 24, 32, 40, 48, 56],
  [2, 9, 17, 25, 33, 41, 49, 50],
  [2, 10, 18, 26, 34, 42, 43, 51],
  [2, 11, 19, 27, 35, 36, 44, 52],
  [2, 12, 20, 28, 29, 37, 45, 53],
  [2, 13, 21, 22, 30, 38, 46, 54],
  [2, 14, 15, 23, 31, 39, 47, 55],
  [3, 8, 17, 26, 35, 37, 46, 55],
  [3, 9, 18, 27, 29, 38, 47, 56],
  [3, 10, 19, 28, 30, 39, 48, 50],
  [3, 11, 20, 22, 31, 40, 49, 51],
  [3, 12, 21, 23, 32, 41, 43, 52],
  [3, 13, 15, 24, 33, 42, 44, 53],
  [3, 14, 16, 25, 34, 36, 45, 54],
  [4, 8, 18, 28, 31, 41, 44, 54],
  [4, 9, 19, 22, 32, 42, 45, 55],
  [4, 10, 20, 23, 33, 36, 46, 56],
  [4, 11, 21, 24, 34, 37, 47, 50],
  [4, 12, 15, 25, 35, 38, 48, 51],
  [4, 13, 16, 26, 29, 39, 49, 52],
  [4, 14, 17, 27, 30, 40, 43, 53],
  [5, 8, 19, 23, 34, 38, 49, 53],
  [5, 9, 20, 24, 35, 39, 43, 54],
  [5, 10, 21, 25, 29, 40, 44, 55],
  [5, 11, 15, 26, 30, 41, 45, 56],
  [5, 12, 16, 27, 31, 42, 46, 50],
  [5, 13, 17, 28, 32, 36, 47, 51],
  [5, 14, 18, 22, 33, 37, 48, 52],
  [6, 8, 20, 25, 30, 42, 47, 52],
  [6, 9, 21, 26, 31, 36, 48, 53],
  [6, 10, 15, 27, 32, 37, 49, 54],
  [6, 11, 16, 28, 33, 38, 43, 55],
  [6, 12, 17, 22, 34, 39, 44, 56],
  [6, 13, 18, 23, 35, 40, 45, 50],
  [6, 14, 19, 24, 29, 41, 46, 51],
  [7, 8, 21, 27, 33, 39, 45, 51],
  [7, 9, 15, 28, 34, 40, 46, 52],
  [7, 10, 16, 22, 35, 41, 47, 53],
  [7, 11, 17, 23, 29, 42, 48, 54],
  [7, 12, 18, 24, 30, 36, 49, 55],
  [7, 13, 19, 25, 31, 37, 43, 56],
  [7, 14, 20, 26, 32, 38, 44, 50]
]