First numbers that belong to both sets:
454,
5454,
7656,
8787,
21234,
43434,
45454,
56543,
65454,
67898,
123232,
212121,
234545,
345454,
432101,
454545,
543234,
545454,
565454,
678987,
678989,
765432,
765454,
765656,
876545,
1010123,
2121210,
2123232,
2345454,
4321010,
4321012,
4343456,
4345454,
4545454,
4545456,
4545654,
4565454,
4567878,
5432121,
5432321,
5432343,
5454543,
5454545,
6543234,
6545454,
6545656,
6565454,
6765454,
6765656,
6767654,
6789876,
6789878,
6789898,
7876545,
7878789,
7878987,
8765454,
8765656,
8765678,
8787876,
9876543,
9876545.