First numbers that belong to both sets:
1,
7,
13,
19,
23,
28,
44,
49,
68,
79,
129,
133,
139,
167,
188,
226,
236,
239,
338,
356,
367,
368,
379,
446,
469,
478,
556,
566,
888,
899,
1112,
1114,
1115,
1122,
1125,
1128,
1148,
1158,
1177,
1188,
1222,
1233,
1247,
1257,
1258,
1277,
1288,
1299,
1333,
1335,
1337,
1339,
1366,
1444,
1447,
1448,
1457,
1478,
1557,
1578,
1599,
1666,
1679,
1888,
2224,
2245,
2257,
2258,
2333,
2338,
2339,
2369,
2448,
2455,
2457,
2458,
2478,
2555,
2557,
2568,
2899,
3338,
3346,
3355,
3356,
3367,
3456,
3466,
3667,
3689,
3779,
3789,
4447,
4449,
4455,
4477,
4555,
4558,
4577,
4599,
4788,
4888,
5555,
5558,
5569,
5666,
5789,
5799,
6789,
6899,
7788,
11113,
11118,
11124,
11125,
11134,
11145,
11147,
11149,
11159,
11168,
11179,
11223,
11229,
11234,
11238,
11248,
11249,
11267,
11348,
11358,
11377,
11388,
11446,
11455,
11456,
11467,
11559,
12226,
12229,
12238,
12256,
12267,
12268,
12279,
12333,
12347,
12348,
12358,
12366,
12399,
12447,
12456,
12556,
12568,
12599,
12677,
12699,
12778,
13334,
13339,
13366,
13447,
13457,
13478,
13499,
13557,
13577,
13679,
13699,
13889,
13899,
14449,
14456,
14459,
14468,
14556,
14889,
15679,
15688,
15778,
15788,
16669,
16679,
16899,
16999,
17999,
18899,
22224,
22229,
22237,
22244,
22249,
22257,
22267,
22269,
22344,
22347,
22348,
22357,
22378,
22459,
22467,
22556,
22559,
22568,
22667,
22799,
23366,
23369,
23389,
23445,
23447,
23448,
23455,
23457,
23468,
23779,
23788,
23899,
24444,
24449,
24455,
24456,
24567,
24589,
24777,
24999,
25567,
25578,
25688,
25777,
25779,
26668,
26669,
26779,
27788,
27889,
33338,
33345,
33346,
33359,
33446,
33589,
33667,
33678,
34445,
34455,
34458,
34477,
34499,
34555,
34558,
34569,
34666,
34789,
34799,
35555,
35557,
35569,
35888,
36689,
36777,
36789,
37999,
44446,
44456,
44467,
44488,
44489,
44566,
44599,
44699,
44789,
45678,
45699,
45777,
45778,
46668,
46799.
Some larger examples :
5777799,
5778888,
5888888,
6666668,
6666678,
6666679,
6666777,
6666789,
6667778,
6667799,
6667899,
6677888,
6677889,
6688888,
6688889,
6777779,
6777889,
6777899,
6799999,
7788999.