A:排除号码:
排除前区:05,07,13,22,23,26,29,32=0-1
排除后区:03,04,07,11
B:龙头凤尾:
龙头关注:01或03
凤尾关注:30或33
C:前区方案:
a-10码:01,03,08,15,17,25,27,28,30,33
b-14码:01,03,08,15,16,17,18,24,25,27,28,30,33,34
c-18码:01,02,03,04,08,09,11,15,16,17,18,24,25,27,28,30,33,34D:后区方案:
后区2码:08,10
后区4码:05,06,08,10
后区6码:01,02,05,06,08,10