选七
02,05,34,45,49,71,75
02,05,34,45,57,66,77
02,12,43,45,49,64,67
02,16,33,45,49,51,72
05,12,33,34,43,64,71
05,16,34,51,67,72,77
12,16,43,51,64,72,75
12,33,49,64,71,75,77
12,33,57,64,66,67,75
16,51,57,66,67,71,72
33,43,57,66,67,75,77
43,49,51,57,66,71,77