A:排除號碼:
排除前區:01,02,03,05,11,12,20,21=0-1
排除後區:01,05,06,10
B:龍頭鳳尾:
龍頭關注:06或17
鳳尾關注:34或35
C:前區方案:
a-10碼:06,17,19,22,24,25,29,33,34,35
b-14碼:06,14,16,17,19,22,24,25,28,29,30,33,34,35
c-18碼:06,09,14,16,17,19,22,23,24,25,27,28,29,30,32,33,34,35
D:後區方案:
後區2碼:02,04
後區4碼:02,04,07,09
後區6碼:02,03,04,07,09,12