a:排除号码:
排除前区:05,10,14,15,18,23,32,35=0-1
排除后区:03,05,07,11
b:龙头凤尾:
龙头关注:01或03
凤尾关注:27或29
c:前区方案:
a-10码:01,03,09,11,17,19,24,26,27,29
b-14码:01,03,09,11,12,16,17,19,22,24,26,27,28,29
c-18码:01,02,03,08,09,11,12,13,16,17,19,22,24,25,26,27,28,29
d:后区方案:
后区2码:06,08
后区4码:02,04,06,08
后区6码:01,02,04,06,08,09