First numbers that belong to both sets:
12,
32,
54,
56,
78,
210,
234,
432,
456,
1232,
3234,
3432,
3456,
5432,
5454,
5456,
5656,
5676,
7656,
7878,
21012,
21210,
23232,
43212,
43232,
43434,
43456,
101010,
101232,
121212,
123210,
123432,
321012,
321210,
323232,
323456,
343232,
343434,
345432,
345654,
543210,
543456,
545454,
565432,
565434,
565656,
765456,
767676,
767898,
787656,
787878,
789876,
987678,
989898,
2101232,
2121012,
2121210,
2123212,
2123232,
2321010,
2321232,
2343210,
2343232,
2343432,
2343456,
4321232,
4323210,
4323456,
4343456,
4345432,
4543434,
6543232,
6567678,
6567876,
6767676,
6789876,
8765432,
8765456.