First numbers that belong to both sets:
5,
6,
7,
22,
55,
77,
88,
101,
111,
141,
151,
161,
181,
191,
212,
222,
252,
262,
303,
313,
323,
333,
343,
353,
373,
383,
404,
414,
434,
444,
454,
464,
494,
505,
525,
535,
565,
575,
585,
606,
616,
636,
646,
656,
686,
696,
717,
727,
757,
767,
777,
797,
828,
838,
848,
878,
888,
909,
919,
949,
959,
989,
999,
1111,
1221,
1551,
1661,
1991,
2222,
2332,
2552,
2662,
2772,
3003,
3223,
3333,
3443,
3663,
3773,
4114,
4334,
4444,
4664,
4774,
4884,
5005,
5115,
5335,
5445,
5775,
5885,
6006,
6446,
6556,
6776,
6886,
6996,
7007,
7117,
7447,
7557,
7887,
7997,
8118,
8558,
8668,
8888,
8998,
9119,
9229,
9339,
9559,
9669,
9779,
9999,
10001,
10101,
10301,
10501,
10601,
10701,
10901,
11111,
11211,
11311,
11511,
11711,
11811,
11911,
12021,
12121,
12221,
12421,
12621,
12821,
13031,
13231,
13431,
13531,
13631,
13831,
14141,
14341,
14541,
14741,
14841,
14941,
15151,
15351,
15551,
15751,
15951,
16061,
16261,
16461,
16661,
16761,
16861,
17071,
17271,
17471,
17671,
17871,
18081,
18181,
18381,
18581,
18781,
18981,
19191,
19391,
19591,
19791,
19991,
20002,
20102,
20302,
20502,
20702,
20902,
21012,
21112,
21212,
21312,
21712,
21812,
21912,
22022,
22222,
22422,
22622,
22822,
23032,
23132,
23632,
23732,
23832,
23932,
24142,
24342,
24542,
24742,
24942,
25052,
25552,
25652,
25752,
25852,
25952,
26062,
26262,
26462,
26662,
26862,
27072,
27472,
27572,
27672,
27772,
27872,
27972,
28182,
28282,
28382,
28582,
28782,
28982,
29192,
29392,
29492,
29592,
29692,
29792,
29892,
29992,
30103,
30303,
30503,
30703,
30903,
31013,
31213,
31413,
31613,
31813,
32023,
32223,
32423,
32623,
32823,
33133,
33333,
33533,
33733,
33933,
34143,
34343,
34543,
34743,
34943,
35053,
35253,
35353,
35453,
35653,
35853,
35953,
36063,
36263,
36463,
36663,
36863,
37173,
37373,
37573,
37773,
37873,
37973,
38183,
38383.
Some larger examples :
9970799,
9971799,
9972799,
9973799,
9974799,
9975799,
9976799,
9977799,
9978799,
9979799,
9990999,
9991999,
9992999,
9993999,
9994999,
9995999,
9996999,
9997999,
9998999,
9999999.