排除后区:02,03,04,11
B:龙头凤尾:
龙头关注:10或13
凤尾关注:32或35
C:前区方案:
a-10码:10,13,16,23,24,27,28,30,32,35
b-14码:03,09,10,11,12,13,16,23,24,27,28,30,32,35
c-18码:03,09,10,11,12,13,14,16,19,22,23,24,27,28,30,31,32,35
D:后区方案:
后区2码:10,12
后区4码:08,09,10,12
后区6码:05,06,08,09,10,12