First numbers that belong to both sets:
10,
12,
23,
34,
43,
45,
54,
65,
78,
89,
101,
123,
210,
212,
232,
323,
343,
432,
456,
543,
567,
676,
765,
876,
898,
987,
989,
1210,
1212,
1232,
2121,
2321,
2343,
3232,
3432,
3456,
4323,
4343,
4567,
5432,
5654,
5676,
6543,
6545,
6567,
6765,
6787,
6789,
7656,
7676,
7878,
8767,
8787,
8789,
9876,
10123,
12101,
12123,
12321,
12345,
21210,
21212,
21234,
23210,
23212,
23232,
23434,
23454,
32101,
32123,
32321,
32345,
34323,
34345,
34543,
34545,
34565,
43232,
43434,
43454,
43456,
45432,
45454,
45456,
45654,
45676,
54323,
54343,
54565,
56543,
56567,
56765,
65434,
65654,
65676,
67656,
67676,
67878,
76543,
76545,
76565,
76767,
78765,
78987,
78989,
87656,
87676,
87876,
87898,
89878,
89898,
98765,
98787,
98789,
98987,
98989,
101232,
121232,
123210,
123212,
123234,
123434,
123454,
123456,
210101,
210123,
212121,
212321,
212345,
232121,
232321,
232345,
234323,
234345,
234543,
234545,
234565,
321234,
323210,
323212,
323234,
323434,
323454,
343210,
343212,
343232,
343434,
343454,
345432,
345454,
345456,
345656,
345676,
432101,
432123,
432321,
432345,
434323,
434345,
434565,
454321,
454345,
454543,
454545,
454567,
456545,
456565,
456765,
543232,
543434,
543454,
545434,
545654,
545676,
565434,
565454,
565456,
565654,
565676,
567656,
567676,
567878,
654321,
654345,
654543,
654545,
654567,
656545,
656565,
656765,
656787,
656789,
676543,
676545,
676565,
676767,
678765,
678787,
678789,
678987,
678989,
765434,
765656,
765678,
767654,
767678,
767878,
787656,
787676,
787878,
789878,
789898,
876545,
876565,
876767,
878767,
878787,
878789,
898767,
898987,
898989,
987654,
987678,
987876,
987898,
989878,
1010121,
1012121,
1012323,
1012343,
1210121,
1212101,
1212123,
1212321,
1212345,
1232121,
1232321,
1232345,
1234321,
1234343,
1234565,
2101210,
2101212,
2101234,
2121210,
2121212,
2121234,
2123232,
2123432,
2321210,
2321212,
2321232,
2323210,
2323212,
2323234,
2323432,
2343234,
2343434,
2343454,
2345434,
2345654,
2345678,
3210101,
3210121,
3212101,
3212123,
3212321,
3212345,
3232101,
3232123,
3232321,
3232345,
3234323,
3234345,
3234543,
3234545,
3234565,
3432101,
3432123,
3432323.
Some larger examples :
987876567,
987876765,
987876787,
987876789,
987878765,
987878787,
987878789,
987898767,
989876543,
989876545,
989876565,
989876765,
989876787,
989876789,
989878767,
989878987,
989878989,
989898767,
989898987,
989898989.