A:排除号码:
排除前区:05,07,13,17,18,23,33,35=0-1
排除后区:02,04,07,11
B:龙头凤尾:
龙头关注:01或03
凤尾关注:25或27
C:前区方案:
a-10码:01,03,12,14,19,20,21,24,25,27
b-14码:01,03,08,10,11,12,14,19,20,21,24,25,27,30
c-18码:01,02,03,04,08,10,11,12,14,15,16,19,20,21,24,25,27,30D:后区方案:
后区2码:01,03
后区4码:01,03,05,06
后区6码:01,03,05,06,09,10