A:排除号码:
排除前区:06,08,14,20,26,28,29,33=0-1
排除后区:01,05,08,09
B:龙头凤尾:
龙头关注:03或05
凤尾关注:25或27
C:前区方案:
a-10码:03,05,07,10,13,15,17,25,27
b-14码:03,05,07,10,13,15,17,23,24,25,27,30,34,35
c-18码:02,03,05,07,09,10,13,15,16,17,21,23,24,25,27,30,34,35D:后区方案:
后区2码:10,12
后区4码:02,04,10,12
后区6码:02,03,04,07,10,12