A:排除号码:
排除前区:02,11,18,20,24,26,32,33=0-1
排除后区:01,07,09,12
B:龙头凤尾:
龙头关注:01或03
凤尾关注:23或25
C:前区方案:
a-10码:01,03,06,14,16,19,21,22,23,25
b-14码:01,03,06,14,16,19,21,22,23,25,28,29,34,35
c-18码:01,03,06,08,09,10,13,14,16,19,21,22,23,25,28,29,34,35D:后区方案:
后区2码:02,04
后区4码:02,04,06,11
后区6码:02,03,04,05,06,11