11*10*9/3/2=165个组合
123,124,125,126,127,128,129,12 10,12 11
134,135,136,137,138,139,13 10,13 11
145,146,147,148,149,14 10,14 11
156,157,158,159,15 10,15 11
167,168,169,16 10,16 11
178,179,17 10,17 11
189,18 10,18 11
19 10,19 11
1 10 11
234,235,236,237,238,239,23 10,23 11
245,246,247,248,249,24 10,24 11
...
289,28 10,28 11
29 10,29 11
2 10 11
.
89 10,89 11
8 10 11
9 10 11