A:排除号码:
排除前区:01,02,15,22,23,28,29,32=0-1
排除后区:01,06,07,09
B:龙头凤尾:
龙头关注:04或06
凤尾关注:30或33
C:前区方案:
a-10码:04,06,17,19,24,26,27,30,33
b-14码:04,06,08,11,17,19,20,21,24,26,27,30,33
c-18码:03,04,05,06,08,09,10,11,14,17,19,20,21,24,26,27,30,33D:后区方案:
后区2码:02,04
后区4码:02,04,05,08
后区6码:02,03,04,05,08,11