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