A:排除号码:
排除前区:06,11,13,23,28,29,30,35=0-1
排除后区:02,06,09,12
B:龙头凤尾:
龙头关注:03或05
凤尾关注:31或33
C:前区方案:
a-10码:03,05,07,15,18,20,26,31,33
b-14码:03,05,07,15,17,18,19,20,21,24,26,31,33
c-18码:01,02,03,05,07,08,09,12,15,17,18,19,20,21,24,26,31,33
D:后区方案:
后区2码:03,05
后区4码:01,03,04,05
后区6码:01,03,04,05,07,11