0
1
2
3
4
5
5
5
9
8
6
6
6
7
[6, 7, 10, 9, 5, 2, 1, 3, 8, 4]
[[1], [2], [3], [4], [5], [6, 8, 9], [7, 8, 9], [8], [9], [10]]
[0, 1, 2, 3, 4, 5, 6, 7, 6, 6]
6