A:排除号码:
排除前区:05,07,08,13,17,20,25,29=0-1
排除后区:01,02,07,11
B:龙头凤尾:
龙头关注:04或06
凤尾关注:31或33
C:前区方案:
a-10码:04,06,11,16,21,23,26,28,31,33
b-14码:04,06,11,15,16,18,21,23,26,27,28,31,32,33
c-18码:04,06,11,12,14,15,16,18,19,21,23,26,27,28,31,32,33,35
D:后区方案:
后区2码:03,05
后区4码:03,05,10,12
后区6码:03,05,08,09,10,12