18码：2, 3, 6, 8, 9, 10, 11, 12, 14, 16, 17, 19, 20, 21, 24, 26, 27, 30
14码：2, 3, 6, 8, 11, 12, 16, 17, 19, 20, 21, 24, 27, 30
10码：2, 3, 6, 8, 12, 16, 19, 20, 24, 30
7码： 2, 3, 8, 12, 16, 24, 30
6码： 3, 6, 7 ,11,13, 14
5码： 3, 6, 7 ,11, 14
4码： 6, 7 ,11, 14
6码： 6, 7 ,11,
6码： 6, 11
1码： 11