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