[0, 0, 6, 2, 2, 6, 0, 0]
[0, 1, 3, 4, 4, 3, 1, 0]
[0, 2, 0, 6, 6, 0, 2, 0]
[1, 0, 0, 7, 7, 0, 0, 1]