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