a:排除号码:
排除前区:05,11,13,15,19,25,26,27=0-1
排除后区:03,08,09,12
b:龙头凤尾:
龙头关注:02或04
凤尾关注:33或35
c:前区方案:
a-10码:02,04,09,12,14,22,24,28,33,35
b-14码:02,04,09,10,12,14,16,17,20,22,24,28,33,35
c-18码:01,02,04,06,07,08,09,10,12,14,16,17,20,22,24,28,33,35
d:后区方案:
后区2码:02,04
后区4码:02,04,06,11
后区6码:01,02,04,05,06,11