First numbers that belong to both sets:
1100,
1111,
1155,
1188,
2200,
2222,
3300,
3333,
4400,
4444,
4455,
5500,
5555,
6600,
6666,
7700,
7777,
8800,
8888,
9900,
9999,
11000,
11100,
11144,
22000,
22200,
22288,
22333,
33000,
33300,
33355,
44000,
44333,
44400,
44666,
55000,
55500,
66000,
66600,
66999,
77000,
77700,
88000,
88666,
88800,
99000,
99900,
110000,
110011,
110055,
110088,
111000,
111100,
111111,
111555,
111888,
112200,
112211,
113300,
113311,
113344,
113355,
114400,
114411,
115500,
115511,
116600,
116611,
116655,
117700,
117711,
118800,
118811,
118833,
119900,
119911,
119955,
119988,
220000,
220022,
220077,
221100,
221122,
222000,
222200,
222222,
222777,
223300,
223322,
223344,
223366,
224400,
224422,
225500,
225522,
226600,
226611,
226622,
226688,
227700,
227722,
228800,
228822,
229900,
229922,
229944,
229999,
330000,
330033,
330077,
331111,
332255,
333000,
333300,
333333,
333777,
336600,
336633,
338844,
339900,
339933,
339955,
440000,
440044,
440055,
441144,
442200,
442244,
443344,
444000,
444400,
444444,
444555,
445544,
446600,
446644,
446688,
447744,
448800,
448844,
449944,
449955,
550000,
550044,
550055,
551100,
551155,
552200,
552255,
552299,
553300,
553355,
554400,
554433,
554455,
555000,
555444,
555500,
555555,
556600,
556655,
557700,
557755,
558800,
558855,
558888,
559900,
559955,
660000,
660066,
662222,
663300,
663366,
666000,
666600,
666666,
669900,
669955,
669966,
770000,
770044,
770077,
777000,
777444,
777700,
777777,
880000,
880088,
882288,
883344,
884400,
884488,
886688,
888000,
888800,
888888,
990000,
990099,
993333,
993377,
998844,
999000,
999900,
999999,
1100000,
1100011,
1100055,
1100088,
1100333,
1110000,
1111000,
1111100,
1111155,
1112200,
1112244,
1113300,
1113333,
1114400,
1114455,
1114488,
1115500,
1116600,
1117700,
1117755,
1118800,
1119900,
1119944,
1119977,
1122000,
1122200,
1122255,
1122555,
1133000,
1133300,
1133355,
1133388,
1144000,
1144400,
1144444,
1144455,
1155000,
1155500,
1155555,
1155599,
1155888,
1166000,
1166600,
1166633,
1166655,
1166688,
1166999,
1177000,
1177700,
1177755,
1177777,
1188000,
1188555,
1188800,
1188855,
1199000,
1199900,
1199955,
1199988,
2200000,
2200022,
2200666,
2211000,
2211100,
2211111,
2211144,
2211188,
2211888,
2220000,
2221100,
2221133,
2222000,
2222200,
2222299,
2223300,
2224400.
Some larger examples :
99999554455,
99999661188,
99999663300,
99999666000,
99999666555,
99999669944,
99999772200,
99999773344,
99999881100,
99999888855,
99999900000,
99999900099,
99999922233,
99999933300,
99999966600,
99999990000,
99999993355,
99999996633,
99999999000,
99999999900.