a:排除号码:
排除前区:08,15,19,21,24,25,30,34=0-1
排除后区:03,04,08,10
b:龙头凤尾:
龙头关注:02或04
凤尾关注:28或29
c:前区方案:
a-10码:02,04,09,11,13,14,17,26,28,29
b-14码:02,04,09,11,12,13,14,16,17,23,26,28,29,31
c-18码:01,02,03,04,05,09,10,11,12,13,14,16,17,23,26,28,29,31
d:后区方案:
后区2码:02,05
后区4码:02,05,11,12
后区6码:01,02,05,06,11,12