First numbers that belong to both sets:
333,
1188,
3322,
3333,
3344,
3355,
3366,
3377,
3388,
5511,
5533,
5577,
8855,
8877,
33222,
33300,
33311,
33322,
33333,
33344,
33355,
33366,
33377,
33388,
33399,
33444,
33555,
33666,
33777,
33888,
44499,
55511,
55777,
77111,
88444,
88855,
88877,
99555,
99888,
110033,
110055,
110066,
112277,
112299,
114433,
114488,
114499,
115511,
116666,
116677,
117733,
118800,
118855,
118877,
221111,
222111,
223399,
225511,
228855,
228877,
229966,
332200,
332211,
332222,
332233,
332244,
332255,
332266,
332277,
332288,
332299,
333000,
333111,
333222,
333300,
333311,
333322,
333333,
333344,
333355,
333366,
333377,
333388,
333399,
333444,
333555,
333666,
333777,
333888,
333999,
334400,
334411,
334422,
334433,
334444,
334455,
334466,
334477,
334488,
334499,
335500,
335511,
335522,
335533,
335544,
335555,
335566,
335577,
335588,
335599,
336600,
336611,
336622,
336633,
336644,
336655,
336666,
336677,
336688,
336699,
337700,
337711,
337722,
337733,
337744,
337755,
337766,
337777,
337788,
337799,
338800,
338811,
338822,
338833,
338844,
338855,
338866,
338877,
338888,
338899,
443399,
444411,
444422,
444499,
444999,
445511,
446611,
448855,
448877,
448899,
449977,
551100,
551188,
552233,
553300,
553377,
555333,
555511,
555888,
557700,
557711,
557722,
557733,
557744,
557755,
557766,
557777,
557788,
557799,
558855,
558877,
660011,
660033,
661144,
662277,
664433,
665511,
667766,
667777,
668855,
668877,
668888,
771111,
771133,
773377,
774422,
775511,
775533,
776699,
778855,
778877,
779911,
779966,
880022,
880044,
882288,
885500,
885511,
885588,
886633,
886644,
886677,
887700,
888111,
888444,
888855,
888877,
889922,
992277,
994422,
994499,
995511,
995544,
995555,
997733,
998855,
998877,
999555,
999666,
1100555,
1100666,
1110033,
1111333,
1112255,
1113311,
1114433,
1114488,
1115511,
1115599,
1118855,
1118866,
1118877,
1122255,
1122999,
1133444,
1144499,
1144555,
1144999,
1155511,
1166622,
1166633,
1166644,
1166655,
1166666,
1166677,
1166688,
1166699,
1166777,
1177333,
1177711,
1188000,
1188444,
1188855,
1188877,
2200044,
2200088,
2211177,
2221188,
2222299,
2223311,
2223399,
2224444,
2225511,
2227744,
2228844,
2228855,
2228877,
2229966,
2233444,
2244333,
2244422,
2244499,
2255511,
2255533,
2288444,
2288822,
2288855,
2288877,
2299111,
2299333.
Some larger examples :
9988111,
9988333,
9988444,
9988800,
9988855,
9988877,
9993366,
9994422,
9994499,
9995511,
9995555,
9995566,
9996655,
9996666,
9998833,
9998855,
9998877,
9998888,
9999555,
9999666.