0 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
0 9
0 1
1 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
1 2
1 0
2 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
2 3
2 1
3 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
3 4
3 2
4 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
4 5
4 3
5 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
5 6
5 4
6 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
6 7
6 5
7 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
7 8
7 6
8 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
8 9
8 7
9 [8, 9, 7, 9, 6, 9, 5, 7, 7, 4]
9 8
0 [8, 9, 7, 9, 6, 9, 5, 15, 4]
0 8
0 1
1 [8, 9, 7, 9, 6, 9, 5, 15, 4]
1 2
1 0
2 [8, 9, 7, 9, 6, 9, 5, 15, 4]
2 3
2 1
3 [8, 9, 7, 9, 6, 9, 5, 15, 4]
3 4
3 2
4 [8, 9, 7, 9, 6, 9, 5, 15, 4]
4 5
4 3
5 [8, 9, 7, 9, 6, 9, 5, 15, 4]
5 6
5 4
6 [8, 9, 7, 9, 6, 9, 5, 15, 4]
6 7
6 5
7 [8, 9, 7, 9, 6, 9, 5, 15, 4]
7 8
7 6
8 [8, 9, 7, 9, 6, 9, 5, 15, 4]
8 9