A:排除号码:
排除前区:02,11,13,15,18,21,22,24=0-1
排除后区:01,02,05,10
B:龙头凤尾:
龙头关注:01或03
凤尾关注:32或34
C:前区方案:
a-10码:01,03,08,10,17,23,25,27,32,34
b-14码:01,03,08,10,17,19,20,23,25,27,31,32,33,34
c-18码:01,03,05,07,08,09,10,12,17,19,20,23,25,27,31,32,33,34D:后区方案:
后区2码:07,09
后区4码:07,08,09,11
后区6码:03,06,07,08,09,11