[0, 0, 0, 0, 1]
[0, 0, 2, 0, 1]
[3, 0, 2, 0, 1]
[4, 0, 2, 3, 1]
[4, 0, 2, 3, 1]
[4, 2, 5, 3, 1]
[4, 2, 5, 3, 1]
4 2 5 3 1