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