A:排除号码:
排除前区:02,03,04,06,10,13,14,15=0-1
排除后区:02,03,05,07
B:龙头凤尾:
龙头关注:12或16
凤尾关注:33或35
C:前区方案:
a-10码:12,16,18,21,22,26,29,30,33,35
b-14码:01,05,07,09,12,16,18,21,22,26,29,30,33,35
c-18码:01,05,07,09,11,12,16,17,18,21,22,26,29,30,31,32,33,35
D:后区方案:
后区2码:04,06
后区4码:04,06,09,12
后区6码:01,04,06,08,09,12