A:排除号码:
排除前区:04,12,17,18,22,23,33,35=0-1
排除后区:04,05,07,08
B:龙头凤尾:
龙头关注:07或09
凤尾关注:28或29
C:前区方案:
a-10码:07,09,10,13,19,20,21,27,28,29
b-14码:02,03,07,09,10,11,13,19,20,21,24,27,28,29
c-18码:02,03,07,09,10,11,13,14,16,19,20,21,24,26,27,28,29,34D:后区方案:
后区2码:01,03
后区4码:01,03,09,10
后区6码:01,02,03,06,09,10