A:排除号码:
排除前区:02,05,07,13,15,21,29,32=0-1
排除后区:07,10,11,12
B:龙头凤尾:
龙头关注:06或08
凤尾关注:28或33
C:前区方案:
a-10码:06,08,11,16,17,18,22,23,28,33
b-14码:01,03,04,06,08,11,16,17,18,20,22,23,28,33
c-18码:01,03,04,06,08,09,10,11,12,16,17,18,20,22,23,28,30,33
D:后区方案:
后区2码:02,04
后区4码:02,04,05,06
后区6码:01,02,03,04,05,06