A:排除号码:
排除前区:01,03,05,06,07,16,21,31=0-1
排除后区:06,07,09,12
B:龙头凤尾:
龙头关注:08或13
凤尾关注:33或35
C:前区方案:
a-10码:08,13,14,15,17,23,25,32,33,35
b-14码:02,04,08,11,13,14,15,17,19,23,25,32,33,35
c-18码:02,04,08,09,11,13,14,15,17,19,22,23,24,25,27,32,33,35
D:后区方案:
后区2码:10,11
后区4码:04,08,10,11
后区6码:01,03,04,08,10,11