A:排除号码:
排除前区:01,02,04,07,11,18,26,33=0-1
排除后区:05,06,08,10
B:龙头凤尾:
龙头关注:05或14
凤尾关注:31或32
C:前区方案:
a-10码:05,14,16,22,27,28,29,30,31,32
b-14码:03,05,10,12,14,15,16,22,27,28,29,30,31,32
c-18码:03,05,08,10,12,14,15,16,17,19,22,27,28,29,30,31,32,35
D:后区方案:
后区2码:11,12
后区4码:07,09,11,12
后区6码:01,03,07,09,11,12