A:排除号码:
排除前区:01,03,06,08,12,18,28,32=0-1
排除后区:04,07,08,12
B:龙头凤尾:
龙头关注:04或07
凤尾关注:31或35
C:前区方案:
a-10码:04,07,14,16,19,21,22,29,31,35
b-14码:02,04,07,13,14,15,16,19,21,22,29,30,31,35
c-18码:02,04,05,07,11,13,14,15,16,17,19,21,22,27,29,30,31,35
D:后区方案:
后区2码:10,11
后区4码:01,02,10,11
后区6码:01,02,03,06,10,11