A:排除号码:
排除前区:03,04,05,08,13,15,17,35=0-1
排除后区:03,04,05,08
B:龙头凤尾:
龙头关注:02或12
凤尾关注:30或33
C:前区方案:
a-10码:02,12,18,20,21,22,25,26,30,33
b-14码:01,02,06,09,11,12,18,20,21,22,25,26,30,33
c-18码:01,02,06,09,11,12,16,18,20,21,22,25,26,27,29,30,31,33
D:后区方案:
后区2码:07,09
后区4码:07,09,10,11
后区6码:01,06,07,09,10,11