A:排除号码:
排除前区:02,05,09,22,23,24,30,31=0-1
排除后区:03,05,08,12
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:01,03,11,13,15,17,26,28,32,34
b-14码:01,03,11,13,15,17,18,19,20,21,26,28,32,34
c-18码:01,03,04,10,11,12,13,14,15,17,18,19,20,21,26,28,32,34
D:后区方案:
后区2码:02,04
后区4码:02,04,10,11
后区6码:01,02,04,07,10,11