属于这两组的第一个数字:
321,333,345,357,369,420,432,444,456,468,741,753,765,777,789,840,852,864,876,888,1357,2345,2468,3333,3456,4321,4444,5432,6420,6789,7777,8765,8888,9753,9876,12345,23456,33333,44444,54321,56789,65432,77777,86420,88888,98765,123456,333333,444444,456789,654321,765432,777777,888888,3333333,3456789,4444444,7654321,7777777,8765432,8888888,23456789,33333333,44444444,77777777,87654321,88888888,98765432,123456789,333333333,444444444,777777777,888888888,987654321.