A:排除号码:
排除前区:04,05,08,09,10,13,18,24=0-1
排除后区:09,10,11,12
B:龙头凤尾:
龙头关注:12或14
凤尾关注:31或35
C:前区方案:
a-10码:12,14,15,17,22,26,27,29,31,35
b-14码:02,03,12,14,15,17,22,26,27,29,31,32,33,35
c-18码:02,03,06,12,14,15,17,19,21,22,23,26,27,29,31,32,33,35D:后区方案:
后区2码:01,03
后区4码:01,03,05,06
后区6码:01,03,05,06,07,08