A:排除号码:
排除前区:02,04,15,16,24,25,33,35=0-1
排除后区:01,06,07,08
B:龙头凤尾:
龙头关注:06或08
凤尾关注:27或28
C:前区方案:
a-10码:06,08,11,13,19,20,26,27,28
b-14码:06,08,11,13,19,20,21,22,26,27,28,29,30
c-18码:01,05,06,07,08,11,12,13,19,20,21,22,26,27,28,29,30,31D:后区方案:
后区2码:02,04
后区4码:02,04,10,11
后区6码:02,03,04,05,10,11