First numbers that belong to both sets:
121,
454,
654,
6567,
45454,
45656,
54567,
65434,
65454,
565654,
656565,
765454,
4345654,
4543456,
4545454,
4565456,
5676545,
6545454,
6567654,
6765456,
7656567,
23454567,
32345676,
34567878,
43434567,
54545456,
54565434,
56545454,
56765454,
76543432,
76545454,
76545654,
98765432.