a:排除号码:
排除前区:01,04,06,08,13,17,19,32=0-1
排除后区:01,02,07,10
b:龙头凤尾:
龙头关注:02或07
凤尾关注:28或30
c:前区方案:
a-10码:02,07,10,12,16,18,25,28,30
b-14码:02,07,09,10,12,16,18,25,28,29,30,31,35
c-18码:02,03,07,09,10,11,12,15,16,18,20,21,25,28,29,30,31,35
d:后区方案:
后区2码:08,11
后区4码:03,05,08,11
后区6码:03,05,08,09,11,12