First numbers that belong to both sets:
2,
9,
10,
11,
21,
41,
42,
44,
50,
52,
75,
99,
210,
332,
410,
420,
500,
520,
532,
541,
542,
544,
550,
551,
552,
555,
600,
611,
620,
622,
630,
632,
651,
652,
653,
654,
660,
661,
662,
665,
666,
710,
721,
722,
740,
742,
744,
752,
775,
810,
820,
841,
842,
844,
850,
852,
865,
866,
872,
880,
920,
930,
932,
944,
954,
961,
962,
964,
970,
976,
990,
992,
1110,
2110,
2221,
2222,
3111,
3211,
3221,
3222,
3300,
4000,
7433,
7511,
7521,
7611,
7751,
7755,
8311,
8321,
8331,
8410,
8411,
8430,
8431,
8441,
8442,
8443,
8444,
8510,
8521,
8530,
8541,
8542,
8543,
8551,
8553,
8555,
8600,
8620,
8621,
8622,
8630,
8631,
8633,
8641,
8643,
8651,
8653,
8654,
8661,
8662,
8665,
8666,
8751,
8763,
8765,
8766,
8811,
8821,
8822,
8840,
8855,
8861,
8862,
8871,
8875,
8877,
8883,
8885,
8886,
9110,
9200,
9310,
9331,
9333,
9411,
9421,
9422,
9430,
9433,
9441,
9443,
9511,
9530,
9532,
9543,
9550,
9551,
9555,
9611,
9621,
9622,
9641,
9642,
9644,
9650,
9652,
9663,
9700,
9711,
9743,
9751,
9755,
9771,
9773,
9774,
9811,
9820,
9830,
9833,
9841,
9842,
9844,
9863,
9870,
9875,
9877,
9881,
9882,
9884,
9900,
9930,
9932,
9940,
9944,
9953,
9954,
9960,
9971,
9983,
9987,
9991,
9995,
9997,
9998,
11111,
33211,
42211,
42220,
43000,
43111,
43210,
43211,
43221,
43222,
43310,
43321,
43322,
44000,
44110,
44210,
44300,
44310,
44330,
44332,
44400,
44421,
44422,
44433,
44440,
51000,
53310,
54000,
54100,
54210,
54311,
54330,
54332,
54411,
54421,
54422,
54441,
54442,
54444,
55200,
55311,
55410,
55431,
55443,
55500,
55521,
55522,
61000,
62100,
62211,
62220,
63000,
64320,
211100,
211110,
220000,
222000,
222100,
310000,
322000,
322200,
332100,
333000,
333210,
421110,
432000,
433322,
440000,
441110,
443211,
444420,
521100,
522000,
522210.
Some larger examples :
66666553,
66666554,
66666610,
66666631,
66666643,
66666650,
66666652,
66666661,
66666662,
66666665,
66666666,
75521100,
76222100,
76222220,
76444420,
87777332,
87777420,
88666644,
88733300,
88855500.