A:排除号码:
排除前区:02,04,13,14,26,27,28,32=0-1
排除后区:01,05,08,11
B:龙头凤尾:
龙头关注:01或03
凤尾关注:29或31
C:前区方案:
a-10码:01,03,05,12,16,18,23,25,29,31
b-14码:01,03,05,12,16,18,20,21,23,25,29,30,31,34
c-18码:01,03,05,08,11,12,16,17,18,19,20,21,23,25,29,30,31,34
D:后区方案:
后区2码:02,04
后区4码:02,04,06,09
后区6码:02,03,04,06,09,10