A:排除号码:
排除前区:01,03,04,12,18,19,26,31=0-1
排除后区:06,08,10,12
B:龙头凤尾:
龙头关注:07或08
凤尾关注:33或34
C:前区方案:
a-10码:07,08,09,14,17,24,30,32,33,34
b-14码:02,06,07,08,09,11,14,17,24,30,32,33,34,35
c-18码:02,06,07,08,09,11,14,16,17,21,22,23,24,30,32,33,34,35
D:后区方案:
后区2码:07,09
后区4码:02,04,07,09
后区6码:02,04,05,07,09,11