A:排除号码:
排除前区:07,13,16,17,28,33,34,35=0-1
排除后区:03,06,07,12
B:龙头凤尾:
龙头关注:01或03
凤尾关注:29或30
C:前区方案:
a-10码:01,03,12,14,20,22,23,25,29,30
b-14码:01,03,12,14,15,18,19,20,22,23,24,25,29,30
c-18码:01,03,08,12,14,15,18,19,20,22,23,24,25,26,27,29,30,32
D:后区方案:
后区2码:04,05
后区4码:04,05,09,10
后区6码:01,02,04,05,09,10