First numbers that belong to both sets:
11,
22,
33,
44,
55,
66,
88,
333,
555,
666,
1144,
1166,
1177,
1199,
2211,
2255,
2288,
3333,
3355,
3388,
3399,
4411,
4422,
4433,
4455,
5511,
5577,
5588,
6655,
6666,
6699,
7722,
7744,
7777,
8811,
8822,
8844,
8855,
8866,
8877,
9900,
9944,
9988,
11199,
11444,
11555,
11666,
11777,
11888,
11999,
22255,
22277,
22555,
22888,
33000,
33111,
33311,
33322,
33344,
33377,
33444,
33666,
44411,
44477,
44999,
55222,
55333,
55444,
55555,
55588,
55888,
66000,
66222,
66333,
66622,
66633,
66644,
66677,
66688,
66777,
66888,
77000,
77444,
77555,
77711,
77788,
88555,
88811,
88822,
88833,
88999,
99000,
99333,
99444,
99666,
99777,
99922,
99944,
99977,
99988,
110044,
110066,
110077,
110088,
111100,
111122,
111144,
111199,
111888,
111999,
112222,
112255,
112299,
113333,
113355,
113366,
113388,
113399,
114411,
114422,
114488,
114499,
115522,
115588,
116666,
117722,
117733,
117755,
117766,
117777,
118800,
118822,
118833,
118866,
118888,
119933,
119944,
220088,
220099,
221122,
221133,
221155,
221188,
222200,
222211,
222244,
222288,
222333,
222555,
222999,
223300,
223355,
224411,
224444,
224455,
225511,
225544,
226611,
226655,
226666,
226699,
227700,
227733,
227788,
227799,
228811,
228822,
228844,
228877,
228899,
229944,
229955,
229988,
330000,
330022,
330033,
330066,
330088,
331133,
331144,
332200,
332255,
332299,
333000,
333311,
333322,
333377,
333444,
333555,
333888,
334455,
334466,
335511,
335533,
335566,
335577,
335599,
336688,
337711,
337755,
337788,
338855,
338899,
339922,
339933,
339944,
339955,
440033,
440077,
440099,
441144,
441155,
441188,
442211,
442244,
442266,
442277,
443322,
443366,
443377,
444400,
444422,
444433,
444488,
444666,
445533,
445555,
446600,
446699,
447711,
447722,
447744,
448811,
448822,
448888,
449944,
449966,
449977,
449988,
550000,
550022,
550033,
550088,
551166,
551177,
551188,
552200,
552299,
553311,
553399,
554411,
554422,
554488,
555500,
555511,
555522,
555599,
556622,
556633,
556655,
557700,
557722,
557733,
557766,
557777,
558800,
558866,
558888,
559944,
660000,
660044,
660066,
660099,
661111,
661122,
661199,
662266,
662288,
663311,
663388.
Some larger examples :
9993333,
9993377,
9994433,
9994499,
9995522,
9995599,
9996666,
9996699,
9997722,
9997733,
9997755,
9997766,
9997777,
9997799,
9998822,
9998833,
9999911,
9999955,
9999977,
9999988.