First numbers that belong to both sets:
1,
2,
3,
4,
5,
7,
8,
9,
11,
22,
33,
44,
55,
77,
99,
101,
111,
121,
131,
141,
151,
161,
171,
181,
191,
202,
212,
232,
242,
262,
292,
303,
313,
323,
333,
343,
353,
363,
373,
383,
393,
404,
424,
434,
454,
484,
494,
505,
515,
525,
535,
545,
555,
565,
575,
585,
595,
626,
646,
656,
676,
686,
707,
717,
727,
737,
747,
757,
767,
777,
787,
797,
808,
818,
838,
848,
878,
898,
909,
919,
929,
939,
949,
959,
969,
979,
989,
999,
1001,
1111,
1221,
1331,
1441,
1551,
1661,
1771,
1881,
1991,
2222,
2332,
2662,
2882,
3003,
3113,
3223,
3333,
3443,
3553,
3663,
3773,
3883,
3993,
4114,
4334,
4444,
4774,
4994,
5005,
5115,
5225,
5335,
5445,
5555,
5665,
5885,
5995,
6116,
6226,
6446,
6556,
6886,
7007,
7117,
7227,
7337,
7447,
7557,
7667,
7777,
7887,
7997,
8338,
8558,
8668,
8998,
9009,
9119,
9229,
9339,
9449,
9559,
9669,
9779,
9889,
9999,
10001,
10101,
10201,
10301,
10401,
10501,
10601,
10701,
10801,
10901,
11011,
11111,
11211,
11311,
11411,
11511,
11611,
11711,
11811,
11911,
12021,
12121,
12221,
12321,
12421,
12521,
12621,
12721,
12821,
12921,
13031,
13131,
13231,
13331,
13431,
13531,
13631,
13731,
13831,
13931,
14041,
14141,
14241,
14341,
14441,
14541,
14641,
14741,
14841,
14941,
15051,
15151,
15251,
15351,
15451,
15551,
15651,
15751,
15851,
15951,
16061,
16161,
16261,
16361,
16461,
16561,
16661,
16761,
16861,
16961,
17071,
17171,
17271,
17371,
17471,
17571,
17671,
17771,
17871,
17971,
18081,
18181,
18281,
18381,
18481,
18581,
18681,
18781,
18881,
18981,
19091,
19191,
19291,
19391,
19491,
19591,
19691,
19791,
19891,
19991,
20002,
20102,
20302,
20402,
20602,
20702,
20902,
21212,
21412,
21512,
22222,
22322,
22522,
22622,
22822,
22922,
23032,
23132,
23332,
23432,
23732,
23932,
24142,
24242,
24442.
Some larger examples :
9980899,
9981899,
9982899,
9983899,
9984899,
9985899,
9986899,
9987899,
9988899,
9989899,
9990999,
9991999,
9992999,
9993999,
9994999,
9995999,
9996999,
9997999,
9998999,
9999999.