First numbers that belong to both sets:
1,
2,
3,
4,
5,
6,
7,
8,
9,
12,
13,
14,
15,
16,
17,
18,
19,
23,
24,
25,
26,
27,
28,
29,
34,
35,
36,
37,
38,
39,
45,
46,
47,
48,
49,
56,
57,
58,
59,
67,
68,
69,
78,
79,
89,
123,
124,
125,
126,
127,
128,
129,
134,
135,
136,
137,
138,
139,
145,
146,
147,
148,
149,
156,
157,
158,
159,
167,
168,
169,
178,
179,
189,
234,
235,
236,
237,
238,
239,
245,
246,
247,
248,
249,
256,
257,
258,
259,
267,
268,
269,
278,
279,
289,
345,
346,
347,
348,
349,
356,
357,
358,
359,
367,
368,
369,
378,
379,
389,
456,
457,
458,
459,
467,
468,
469,
478,
479,
489,
567,
568,
569,
578,
579,
589,
678,
679,
689,
789,
1234,
1235,
1236,
1237,
1238,
1239,
1245,
1246,
1247,
1248,
1249,
1256,
1257,
1258,
1259,
1267,
1268,
1269,
1278,
1279,
1289,
1345,
1346,
1347,
1348,
1349,
1356,
1357,
1358,
1359,
1367,
1368,
1369,
1378,
1379,
1389,
1456,
1457,
1458,
1459,
1467,
1468,
1469,
1478,
1479,
1489,
1567,
1568,
1569,
1578,
1579,
1589,
1678,
1679,
1689,
1789,
2345,
2346,
2347,
2348,
2349,
2356,
2357,
2358,
2359,
2367,
2368,
2369,
2378,
2379,
2389,
2456,
2457,
2458,
2459,
2467,
2468,
2469,
2478,
2479,
2489,
2567,
2568,
2569,
2578,
2579,
2589,
2678,
2679,
2689,
2789,
3456,
3457,
3458,
3459,
3467,
3468,
3469,
3478,
3479,
3489,
3567,
3568,
3569,
3578,
3579,
3589,
3678,
3679,
3689,
3789,
4567,
4568,
4569,
4578,
4579,
4589,
4678,
4679,
4689,
4789,
5678,
5679,
5689,
5789,
6789,
12345,
12346,
12347,
12348,
12349,
12356,
12357,
12358,
12359,
12367,
12368,
12369,
12378,
12379,
12389,
12456,
12457,
12458,
12459,
12467,
12468,
12469,
12478,
12479,
12489.
Some larger examples :
1356789,
1456789,
2345678,
2345679,
2345689,
2345789,
2346789,
2356789,
2456789,
3456789,
12345678,
12345679,
12345689,
12345789,
12346789,
12356789,
12456789,
13456789,
23456789,
123456789.