属于这两组的第一个数字：
1,三,5,7,9,345,356,367,378,389,457,468,479,569,1234,1245,1256,1267,1278,1289,1346,1357,1368,1379,1458,1469,2347,2358,2369,2459,12348,12359,16789,25789,34789,35678,35689,45679,124789,125678,125689,134678,134689,135679,234567,234578,234589,234679,1234568,1234579,3456789,12456789.