A:排除号码:
排除前区:01,03,05,07,11,19,25,30=0-1
排除后区:07,08,10,11
B:龙头凤尾:
龙头关注:08或10
凤尾关注:31或32
C:前区方案:
a-10码:08,10,14,16,18,22,26,28,31,32
b-14码:02,08,09,10,14,15,16,18,22,26,28,31,32,34
c-18码:02,08,09,10,14,15,16,18,20,21,22,26,28,31,32,33,34,35
D:后区方案:
后区2码:04,05
后区4码:04,05,06,12
后区6码:02,04,05,06,09,12