2,3
1,3,4,5
1,2,5,6
2,5,7,8
2,3,4,6,8,9
3,5,9,10,11
4,8,12
4,5,7,9,12,13,14
5,6,8,10,14,15,16
6,9,11,16
6,10,16,17
7,8,13,18
8,12,14,18
8,9,13,15,18,19,20
9,14,20,21,28,22,16
9,10,11,15,17,22,23
11,16,23
12,13,14,19,24
14,18,20,24,25,32
14,15,19,21,25,26,27
15,20,27,28
15,16,23,28,29,30
16,17,22,30
18,19,32,33
19,20,26,32
20,25,27
20,21,26,28
15,21,22,27,29
22,28,30,31
22,23,29,31
29,30
19,24,25,33
24,32
1
31
33