701712
4 5
CD ABC BCD ABD ABC
8 11 17
10 14 15
18 BCD 19 ACD 21 AC 22 BCD
1
6 10
11CD 12 ABC 13 ABD 15 BCD
1 2 7 8
9 ABC 11 AB 13ABC
2 7 9 13 17 20
21 AB 22AB 23AD 25 ABD 27 BD 28 ABC
29 CD 30 ABD
