A:排除号码:
排除前区:03,06,08,09,21,23,24,35=0-1
排除后区:04,06,09,12
B:龙头凤尾:
龙头关注:02或04
凤尾关注:33或34
C:前区方案:
a-10码:02,04,10,11,13,15,27,31,33,34
b-14码:02,04,05,10,11,13,15,17,19,20,27,31,33,34
c-18码:02,04,05,07,10,11,12,13,14,15,16,17,19,20,27,31,33,34
D:后区方案:
后区2码:01,03
后区4码:01,02,03,05
后区6码:01,02,03,05,10,11