5, 6, 7, 8
4, 6, 7, 8
3, 4, 8
7, 8
3, 4, 6, 8
3, 7, 8
3, 4, 7, 8
4, 7, 8
3, 8
1, 2, 5, 6
1, 2, 6
2, 3, 4, 5, 6
0, 5, 6
3, 4, 6, 7, 8
5, 6, 7
2, 5, 6
1
3
3, 4, 5
3, 4
6
2, 4, 5, 6
2, 3, 4, 8
7
6, 8
6, 7, 8
5
8
4, 7
4, 8
4, 5, 6, 7, 8
4, 6
3, 4, 5, 6
0, 1
1, 2, 3
3, 4, 5, 6, 7, 8
4
2