a:排除号码:
排除前区:01,05,07,09,13,17,21,28=0-1
排除后区:05,06,09,11
b:龙头凤尾:
龙头关注:08或10
凤尾关注:30或32
c:前区方案:
a-10码:08,10,14,15,23,25,27,29,30,32
b-14码:08,10,14,15,18,23,24,25,26,27,29,30,32,33
c-18码:02,04,08,10,12,14,15,18,22,23,24,25,26,27,29,30,32,33
d:后区方案:
后区2码:02,04
后区4码:02,04,08,10
后区6码:01,02,03,04,08,10