A:排除号码:
排除前区:01,05,07,11,12,24,29,31=0-1
排除后区:03,04,09,11
B:龙头凤尾:
龙头关注:04或08
凤尾关注:30或32
C:前区方案:
a-10码:04,08,13,15,17,19,26,27,30,32
b-14码:04,06,08,13,15,17,18,19,20,22,26,27,30,32
c-18码:04,06,08,13,14,15,16,17,18,19,20,22,26,27,30,32,34,35
D:后区方案:
后区2码:08,10
后区4码:02,05,08,10
后区6码:01,02,05,08,10,12