A:排除号码:
排除前区:06,08,26,29,32,33,34,35=0-1
排除后区:06,07,09,12
B:龙头凤尾:
龙头关注:01或04
凤尾关注:22或25
C:前区方案:
a-10码:01,04,05,12,14,16,19,20,22,25
b-14码:01,04,05,11,12,14,16,19,20,22,24,25,27,31
c-18码:01,04,05,09,10,11,12,14,16,19,20,21,22,24,25,27,28,31D:后区方案:
后区2码:02,04
后区4码:02,04,08,11
后区6码:01,02,04,05,08,11