属于这两组的第一个数字：
7,21,31,40,43,63,73,85,91,111,211,400,421,511,553,651,820,871,931,993,1111,5220,5551,6321,6643,7311,8421,8743,9331,9841,11111,32221,44311,66430,87321,88741,93331,96411,99541,111111,1111111,8877421,9988761,11111111,77554443,96442221,111111111,996633331,998844421,1111111111,11111111111,111111111111,1111111111111,11111111111111,111111111111111.