a:排除号码:
排除前区:05,06,07,10,11,12,34,35=0-1
排除后区:01,03,07,12
b:龙头凤尾:
龙头关注:03或09
凤尾关注:29或30
c:前区方案:
a-10码:03,09,18,19,20,21,24,26,29,30
b-14码:03,09,15,17,18,19,20,21,24,26,27,29,30,32
c-18码:01,03,09,15,17,18,19,20,21,22,23,24,25,26,27,29,30,32
d:后区方案:
后区2码:09,11
后区4码:04,05,09,11
后区6码:02,04,05,09,10,11