First numbers that belong to both sets:
1,
5,
8,
9,
33,
44,
77,
88,
101,
121,
141,
161,
181,
212,
232,
252,
272,
292,
313,
333,
353,
373,
393,
404,
424,
444,
464,
484,
505,
525,
545,
565,
585,
616,
636,
656,
676,
696,
717,
737,
757,
777,
797,
808,
828,
848,
868,
888,
909,
929,
949,
969,
989,
1001,
1221,
1441,
1661,
1881,
2112,
2332,
2552,
2772,
2992,
3113,
3333,
3553,
3773,
3993,
4004,
4224,
4444,
4664,
4884,
5005,
5225,
5445,
5665,
5885,
6116,
6336,
6556,
6776,
6996,
7117,
7337,
7557,
7777,
7997,
8008,
8228,
8448,
8668,
8888,
9009,
9229,
9449,
9669,
9889,
10001,
10101,
10201,
10301,
10401,
10501,
10601,
10701,
10801,
10901,
12021,
12121,
12221,
12321,
12421,
12521,
12621,
12721,
12821,
12921,
14041,
14141,
14241,
14341,
14441,
14541,
14641,
14741,
14841,
14941,
16061,
16161,
16261,
16361,
16461,
16561,
16661,
16761,
16861,
16961,
18081,
18181,
18281,
18381,
18481,
18581,
18681,
18781,
18881,
18981,
21012,
21112,
21212,
21312,
21412,
21512,
21612,
21712,
21812,
21912,
23032,
23132,
23232,
23332,
23432,
23532,
23632,
23732,
23832,
23932,
25052,
25152,
25252,
25352,
25452,
25552,
25652,
25752,
25852,
25952,
27072,
27172,
27272,
27372,
27472,
27572,
27672,
27772,
27872,
27972,
29092,
29192,
29292,
29392,
29492,
29592,
29692,
29792,
29892,
29992,
31013,
31113,
31213,
31313,
31413,
31513,
31613,
31713,
31813,
31913,
33033,
33133,
33233,
33333,
33433,
33533,
33633,
33733,
33833,
33933,
35053,
35153,
35253,
35353,
35453,
35553,
35653,
35753,
35853,
35953,
37073,
37173,
37273,
37373,
37473,
37573,
37673,
37773,
37873,
37973,
39093,
39193,
39293,
39393,
39493,
39593,
39693,
39793,
39893,
39993,
40004,
40104,
40204,
40304,
40404,
40504,
40604,
40704,
40804,
40904,
42024,
42124,
42224,
42324,
42424,
42524,
42624,
42724,
42824,
42924,
44044,
44144,
44244,
44344,
44444,
44544,
44644,
44744,
44844,
44944,
46064,
46164.
Some larger examples :
989808989,
989818989,
989828989,
989838989,
989848989,
989858989,
989868989,
989878989,
989888989,
989898989,
989909989,
989919989,
989929989,
989939989,
989949989,
989959989,
989969989,
989979989,
989989989,
989999989.