First numbers that belong to both sets:
1,
2,
3,
4,
5,
6,
7,
8,
9,
12,
18,
24,
27,
36,
45,
48,
111,
112,
114,
117,
126,
133,
135,
144,
156,
222,
224,
225,
228,
234,
247,
266,
288,
333,
336,
378,
399,
444,
448,
468,
555,
558,
588,
666,
777,
888,
999,
1116,
1122,
1125,
1128,
1134,
1148,
1168,
1188,
1224,
1233,
1236,
1278,
1344,
1368,
1455,
1456,
1458,
1558,
1566,
1679,
2223,
2236,
2244,
2268,
2289,
2355,
2358,
2445,
2448,
2466,
2478,
2556,
2667,
2688,
2889,
3345,
3348,
3366,
3388,
3456,
3699,
3888,
4446,
4488,
4557,
4577,
4779,
5566,
5568,
5589,
5778,
6669,
6777,
11112,
11115,
11124,
11128,
11133,
11136,
11178,
11223,
11228,
11244,
11245,
11248,
11268,
11339,
11355,
11358,
11445,
11448,
11466,
11556,
11688,
11799,
12222,
12236,
12255,
12256,
12257,
12258,
12345,
12348,
12366,
12369,
12456,
12558,
13335,
13338,
13356,
13357,
13377,
13446,
13478,
13488,
13566,
13689,
13888,
14448,
14499,
14568,
14688,
15579,
15689,
17777,
17888,
22224,
22245,
22248,
22249,
22266,
22335,
22336,
22338,
22355,
22356,
22379,
22446,
22449,
22488,
22599,
22788,
23344,
23346,
23446,
23457,
23568,
23679,
24444,
24449,
24489,
24678,
25569,
25677,
25699,
33336,
33348,
33399,
33444,
33488,
33557,
33588,
33669,
33777,
34479,
34668,
35559,
35667,
36666,
37999,
44448,
44469,
44577,
46688,
48888,
55566,
56666,
56668,
57888,
66888,
67788,
67899,
111114,
111123,
111144,
111146,
111168,
111169,
111222,
111248,
111255,
111258,
111279,
111345,
111348,
111366,
111389,
111456,
111468,
111699,
111888,
112224,
112245,
112248,
112266,
112288,
112333,
112335,
112336,
112338,
112356,
112366,
112446,
112488,
112779,
113344,
113346,
113358,
113459,
113568,
113589,
113666,
113778,
114444,
114466,
114555,
114588,
114669,
114688,
114777,
115668,
116667,
122234,
122235,
122238,
122256,
122346,
122367,
122455,
122499,
122556,
122567,
122568,
122688,
122699,
123335,
123336,
123444,
123578,
123579,
124446,
124578,
125577.
Some larger examples :
5566668888,
5566777788,
5568888888,
5577888888,
5666678889,
5667888888,
5677788888,
5777778888,
5778999999,
6666666678,
6666666688,
6666667788,
6666888888,
6667788888,
6669999999,
6677778888,
6688888999,
6777777888,
7778889999,
8888888889.