1,2,8,11
1,6,8
2,8,12,17
2,8,12,14
15,16,17
3,16,18
3,12,13,20
10,16,18
3,4,20
4,10,11
4,10,18
5,10,18
7,8,14
1,9,11
4,5,10
8,12,20
4,12,20
3,13,16
3,16,20
3,13,18
3,18,20
4,10,20
3,10,18
8,12,13
3,15,16
15,16,18
12,14,15,17
14,15,16
2,14,15,17
2,15,16
2,12,14,17
2,8,14,15
2,7,14
7,12,14
1,6,11
2,11,14
1,8,14
2,11,15
2,11,17
1,11,20
2,11,20
2,4,11
1,8,12
2,9,11
1,4,11
4,9,11
9,11,20
