First numbers that belong to both sets:
99,
111,
1100,
2277,
3300,
3366,
3399,
4422,
4444,
4488,
5544,
5566,
5577,
7755,
8844,
8855,
8877,
11166,
22000,
22211,
22444,
33555,
44433,
44499,
55544,
66699,
66777,
77799,
88800,
99555,
99777,
99966,
110055,
110066,
111222,
112244,
115566,
115599,
116688,
118800,
118899,
119922,
119988,
220011,
221199,
222111,
222333,
222555,
222999,
224455,
226666,
227766,
228844,
229900,
229944,
229955,
330044,
331144,
331177,
333311,
333444,
334422,
335533,
336622,
336677,
337755,
339999,
440000,
441111,
442233,
442277,
443344,
443366,
444000,
444111,
444455,
444466,
444555,
445522,
446600,
449900,
449955,
449988,
550055,
551188,
552277,
553366,
554400,
555522,
555666,
556611,
556633,
558866,
660000,
661188,
665566,
666622,
666677,
770033,
770044,
770055,
771100,
772288,
774433,
776688,
777333,
777444,
777666,
779933,
779955,
779988,
882244,
884499,
885500,
888999,
889944,
990000,
993399,
994455,
995522,
995544,
996600,
997733,
997788,
999444,
1100033,
1117766,
1118844,
1122266,
1144555,
1155777,
1166600,
1166999,
1177766,
1188000,
1188111,
1188555,
1199444,
2200022,
2200055,
2211144,
2211222,
2220066,
2221144,
2222211,
2222277,
2222555,
2223300,
2223377,
2223399,
2224444,
2226633,
2226666,
2227733,
2227755,
2233355,
2244111,
2244433,
2255577,
2266688,
2277000,
2288855,
2299777,
2299944,
3300066,
3311155,
3311555,
3322777,
3330033,
3331188,
3333111,
3333322,
3333399,
3333666,
3335577,
3337722,
3338855,
3339999,
3355666,
3366600,
3366633,
3366666,
3366888,
3388833,
3399900,
3399966,
4400022,
4400055,
4411666,
4422244,
4422255,
4422288,
4433000,
4441122,
4442211,
4442222,
4443300,
4444477,
4444666,
4447755,
4449900,
4455222,
4455999,
4466111,
4466333,
4499988,
5500044,
5500555,
5511144,
5522211,
5522277,
5522333,
5533444,
5544222,
5544411,
5550044,
5550066,
5557755,
5559933,
5566000,
5566666,
5588777,
5599955,
5599977,
6600444,
6611111,
6611444,
6633322,
6644422,
6677799,
6688800,
6688822,
6699900,
6699944,
6699955,
7700099,
7711133,
7711999,
7744433,
7744488,
7755566,
7770099,
7771188,
7773366,
7788333,
7788855,
7788877,
7799888,
8800099,
8811333,
8844411,
8855000,
8855566,
8866888,
8877700,
8877777,
8883355,
8884400,
8885588,
8886600,
8886633,
8888844,
8899444,
8899888,
9911199,
9944455,
9944466,
9944477,
9955444,
9966611,
9966655,
9977755,
9991155,
9996688,
9997700,
9998877,
11000055,
11000666,
11000777,
11003344.
Some larger examples :
99900000,
99900099,
99900555,
99900888,
99922244,
99922299,
99933399,
99944555,
99955222,
99955888,
99966111,
99966444,
99966688,
99966888,
99977700,
99988000,
99992211,
99992277,
99995566,
99996633.