A:排除号码:
排除前区:01,02,04,07,13,18,33,34=0-1
排除后区:01,07,08,12
B:龙头凤尾:
龙头关注:05或08
凤尾关注:29或30
C:前区方案:
a-10码:05,08,19,21,22,25,26,27,29,30
b-14码:05,08,12,14,15,19,21,22,23,25,26,27,29,30
c-18码:05,08,09,10,12,14,15,17,19,21,22,23,24,25,26,27,29,30
D:后区方案:
后区2码:03,05,
后区4码:03,05,06,09
后区6码:02,03,04,05,06,09