a:排除号码:
排除前区:01,04,10,19,21,26,34,35=0-1
排除后区:02,05,07,09
b:龙头凤尾:
龙头关注:03或05
凤尾关注:28或30
c:前区方案:
a-10码:03,05,08,14,15,16,18,20,28,30
b-14码:03,05,08,14,15,16,18,20,23,28,29,30,31,33
c-18码:03,05,07,08,12,14,15,16,17,18,20,22,23,28,29,30,31,33
d:后区方案:
后区2码:04,06
后区4码:04,06,10,11
后区6码:01,04,06,10,11,12