A:排除号码:
排除前区:07,09,13,16,24,27,33,34=0-1
排除后区:02,06,08,12
B:龙头凤尾:
龙头关注:02或04
凤尾关注:30或32
C:前区方案:
a-10码:02,04,06,12,14,21,23,25,30,32
b-14码:02,04,06,10,12,14,15,19,20,21,23,25,30,32
c-18码:01,02,03,04,05,06,08,10,12,14,15,19,20,21,23,25,30,32
D:后区方案:
后区2码:03,05
后区4码:03,05,10,11
后区6码:01,03,04,05,10,11