[0, 0, 0, 0, 1, 0, 0, 0, 0, 0]
[0, 0, 0, 0, 1, 0, 0, 2, 0, 0]
[0, 0, 0, 0, 1, 0, 3, 2, 0, 0]
[0, 4, 0, 0, 1, 0, 3, 2, 0, 0]
[0, 4, 0, 0, 1, 0, 3, 2, 5, 0]
[6, 4, 0, 0, 1, 0, 3, 2, 5, 0]
[6, 4, 0, 0, 1, 7, 3, 2, 5, 0]
[6, 4, 0, 0, 1, 7, 3, 2, 5, 8]
[6, 4, 9, 0, 1, 7, 3, 2, 5, 8]