A:排除号码:
排除前区:01,06,07,12,13,14,28,31=0-1
排除后区:01,04,06,09
B:龙头凤尾:
龙头关注:05或08
凤尾关注:25或32
C:前区方案:
a-10码:05,08,10,11,18,20,21,23,25,32
b-14码:05,08,10,11,15,17,18,20,21,23,25,27,30,32
c-18码:02,03,04,05,08,10,11,15,17,18,20,21,23,25,27,30,32,35
D:后区方案:
后区2码:10,11
后区4码:03,05,10,11
后区6码:02,03,05,08,10,11