4 12
15 17 18 19 20 23 24
4 12
15 17 18 19 20 23 24
8 9 11 16
3 6
2 4 10 14 19
1 8 12 20
21 22 23 24 27 28 30
1-5:DBABD
6-7:AD
8-9:对
10:错
11:对
12-15:错
16:对
1-5:CDCAD
6-10:CDBDD
11-13:BAC
14:错
15:对
16:错
17-20:对
21-22:错
23、24:对
1-5:BADAC
6-10:CCBCA
11-15:DBDAC
16-20:CCDAB
21-24:对
25、26:错
27、28:对
29:错
30:对
1-5:ACDAB
6-10:BBCDC
11-15:ABABB
16-21:AABACA
22-30:全对