a:排除号码:
排除前区:03,09,11,14,19,23,25,33=0-1
排除后区:01,04,06,09
b:龙头凤尾:
龙头关注:02或05
凤尾关注:30或32
c:前区方案:
a-10码:02,05,10,13,15,16,20,22,30,32
b-14码:02,05,10,13,15,16,20,22,27,28,29,30,32,34
c-18码:01,02,05,10,12,13,15,16,17,20,21,22,27,28,29,30,32,34
d:后区方案:
后区2码:03,05
后区4码:03,05,07,08
后区6码:03,05,07,08,11,12