A:排除号码:
排除前区:02,05,07,08,19,22,30,33=0-1
排除后区:04,05,08,11
B:龙头凤尾:
龙头关注:01或03
凤尾关注:32或34
C:前区方案:
a-10码:01,03,10,11,13,21,23,28,32,34
b-14码:01,03,10,11,13,16,21,23,24,26,27,28,32,34
c-18码:01,03,10,11,12,13,16,17,21,23,24,26,27,28,31,32,34,35D:后区方案:
后区2码:01,03
后区4码:01,02,03,06
后区6码:01,02,03,06,09,12