First numbers that belong to both sets:
1,
2,
8,
9,
12,
18,
24,
36,
56,
88,
128,
136,
156,
225,
228,
248,
288,
344,
348,
444,
448,
468,
488,
568,
1112,
1116,
1224,
1236,
1248,
1256,
1336,
1344,
1356,
1368,
1448,
1668,
1688,
1788,
2248,
2344,
2388,
2456,
2488,
2556,
2688,
3368,
3448,
3456,
3688,
4456,
4568,
4668,
4788,
5556,
5688,
11136,
11148,
11244,
11268,
12228,
12248,
12344,
12348,
12456,
12468,
12568,
12588,
12888,
13336,
13344,
13356,
13788,
13888,
14488,
14556,
14688,
14888,
15588,
16668,
16788,
16888,
22356,
22368,
22668,
22888,
23336,
23388,
24444,
24448,
24468,
24488,
24588,
25668,
26888,
33336,
33444,
33468,
33489,
33688,
33888,
34488,
34688,
35556,
38888,
44448,
44456,
44568,
45688,
46668,
46888,
55668,
55688,
55788,
57888,
66688,
66888,
67788,
111224,
111256,
111368,
111448,
111488,
112224,
112248,
112256,
112338,
112356,
112448,
112456,
112568,
112788,
113344,
113556,
113688,
114468,
114568,
115688,
115788,
117888,
122456,
122888,
123444,
123468,
123588,
123688,
124668,
124788,
125556,
125568,
125888,
128888,
133344,
133356,
133668,
133788,
134488,
134556,
134688,
135588,
136788,
144444,
144468,
144488,
144588,
145688,
145788,
155556,
156888,
158888,
166788,
177888,
222228,
222336,
222344,
222444,
222468,
222588,
223336,
223688,
224448,
224456,
224556,
224568,
224888,
225688,
225888,
226688,
226788,
228888,
233336,
233344,
233556,
233568,
234488,
236888,
237888,
244456,
244668,
244788,
245556,
245888,
247788,
256788,
277888,
333348,
333448,
333468,
333588,
336888,
337788,
344448,
344556,
345888,
347778,
355788,
367788,
388888,
444456,
444468,
444588,
445668,
445688,
446688,
455556,
455688,
457788,
556788,
566688,
588888,
688888,
777888,
1111112,
1111116,
1111144,
1111168,
1111336,
1111356,
1111488,
1111668,
1111788,
1112388,
1112448,
1113336,
1113348,
1113444,
1113468,
1113888,
1114788,
1114888,
1118888,
1122248,
1122348,
1122568,
1122588,
1123336,
1123456,
1123488,
1124448,
1124456,
1124568,
1124888,
1126668,
1128888,
1133336,
1133368,
1133388,
1133556,
1133888,
1134468,
1134488,
1135688,
1135788,
1136888,
1144448,
1144888,
1145568,
1147788,
1155688,
1156888,
1166688.
Some larger examples :
555566888,
555668888,
555777888,
556788888,
566666688,
566677888,
566678888,
566688888,
566788888,
567777888,
567788888,
568888888,
578888888,
666677888,
666678888,
667777788,
667888888,
777777888,
777778888,
777788888.