A:排除号码:
排除前区:02,04,11,19,22,28,31,34=0-1
排除后区:03,05,08,12
B:龙头凤尾:
龙头关注:01或03
凤尾关注:30或32
C:前区方案:
a-10码:01,03,06,08,13,15,21,26,30,32
b-14码:01,03,06,08,13,14,15,17,20,21,24,26,30,32
c-18码:01,03,05,06,07,08,09,12,13,14,15,17,20,21,24,26,30,32
D:后区方案:
后区2码:04,06
后区4码:04,06,09,11
后区6码:01,02,04,06,09,11