First numbers that belong to both sets:
898,
3232,
3234,
5454,
5456,
5676,
5678,
7654,
7656,
7898,
9898,
21232,
21234,
23210,
23212,
23232,
23234,
34345,
34565,
43210,
43212,
43432,
43434,
45454,
45456,
65454,
65456,
67876,
67878,
76765,
78765,
87654,
87656,
87898,
89876,
89878,
98765,
101010,
101012,
101210,
101212,
101232,
101234,
121210,
121212,
121232,
121234,
212345,
232345,
234565,
321210,
321212,
323210,
323212,
323432,
323434,
323454,
323456,
343454,
343456,
434545,
454345,
454565,
456545,
456565,
543432,
543434,
543454,
543456,
545454,
545456,
545676,
545678,
565432,
565434,
565676,
565678,
654565,
656545,
656765,
676545,
676565,
765454,
765456,
767654,
767656,
767876,
767878,
767898,
787654,
787656,
787676,
787678,
787898,
789876,
789878,
789898,
876545,
878765,
987676,
987678,
987876,
987878,
987898,
989898,
1012345,
1232345,
1234565,
2121210,
2121212,
2123432,
2123434,
2123454,
2123456,
2343210,
2343212,
2343432,
2343434,
2343454,
2343456,
2345432,
2345434,
2345676,
2345678,
3232345,
3234345,
3234545,
3234565,
3434345,
3434545,
3434565,
3454565,
4323454,
4323456,
4343232,
4343234,
4343432,
4343434,
4345432,
4345434,
4345454,
4345456,
4345676,
4345678,
4543210,
4543212,
4543432,
4543434,
4543454,
4543456,
4545654,
4545656,
4545676,
4545678,
4565432,
4565434,
4565454,
4565456,
4567654,
4567656,
4567676,
4567678,
5432345,
5434545,
5434565,
5456545,
5654345,
5656565,
5656765,
5676545,
6543210,
6543212,
6543432,
6543434,
6545454,
6545456,
6545676,
6545678,
6565454,
6565456,
6565654,
6565656,
6565676,
6565678,
6567676,
6567678,
6765454,
6765456,
6765654,
6765656,
6767676,
6767678,
6767876,
6767878,
6787654,
6787656,
6787676,
6787678,
6787898,
6789876,
6789878,
6789898,
7656545,
7656565,
7676545,
7676765,
7678765,
7876545,
8765454,
8765456,
8765676,
8765678,
8767654,
8767656,
8767898,
8787654,
8787656,
8787876,
8787878,
8789876,
8789878,
8987676,
8987678,
8987876,
8987878,
8987898,
8989898,
9876545,
9878765.