A:排除号码:
排除前区:03,05,11,22,23,30,33,35=0-1
排除后区:01,03,08,10
B:龙头凤尾:
龙头关注:04或12
凤尾关注:28或31
C:前区方案:
a-10码:04,12,14,15,17,20,21,25,28,31
b-14码:01,02,04,08,09,12,14,15,17,20,21,25,28,31
c-18码:01,02,04,08,09,12,14,15,16,17,19,20,21,24,25,28,31,34
D:后区方案:
后区2码:04,06
后区4码:02,04,06,07
后区6码:02,04,05,06,07,09