A:排除号码:
排除后区:05,06,09,10
B:龙头凤尾:
龙头关注:11或17
凤尾关注:31或34
C:前区方案:
a-10码:11,17,19,21,22,23,24,30,31,34
b-14码:05,06,07,10,11,17,19,21,22,23,24,30,31,34
c-18码:05,06,07,10,11,13,16,17,19,21,22,23,24,27,29,30,31,34
D:后区方案:
后区2码:01,02
后区4码:01,02,11,12
后区6码:01,02,07,08,11,12