A:排除号码:
排除前区:01,02,11,14,23,25,28,33=0-1
排除后区:01,02,06,12
B:龙头凤尾:
龙头关注:04或08
凤尾关注:27或29
C:前区方案:
a-10码:04,08,10,13,18,20,24,26,27,29
b-14码:04,08,10,13,16,18,19,20,21,24,26,27,29,31
c-18码:03,04,07,08,10,13,16,18,19,20,21,24,26,27,29,31,34,35D:后区方案:
后区2码:03,05
后区4码:03,05,08,11
后区6码:03,04,05,07,08,11