First numbers that belong to both sets:
1,
331,
877,
977,
997,
4311,
6433,
6521,
7331,
7431,
7753,
8111,
8411,
8621,
8831,
8861,
8873,
8887,
9431,
9521,
9641,
9941,
33221,
44111,
44431,
53321,
54311,
55331,
55421,
55511,
55553,
63221,
64211,
65111,
65531,
65533,
66221,
66551,
66663,
75521,
76441,
76631,
77443,
77771,
82111,
84221,
85411,
85421,
85541,
86411,
86441,
86521,
86641,
86653,
88421,
88511,
88543,
88631,
88633,
88643,
88711,
88841,
94421,
95411,
95441,
96411,
96431,
96553,
96611,
96643,
97211,
97421,
97631,
97633,
97661,
98533,
98765,
98773,
98821,
98831,
98861,
98863,
98887,
99311,
99541,
99853,
99983,
332111,
333221,
422111,
432221,
443111,
443321,
444221,
532211,
544321,
544421,
554111,
554443,
555221,
555521,
611111,
622211,
632111,
633221,
643111,
643211,
653221,
653333,
654433,
655531,
663111,
664211,
664331,
664441,
665441,
666221,
666521,
744221,
744311,
754441,
755531,
755533,
764311,
764411,
766211,
766553,
766631,
766661,
766663,
772111,
773311,
774433,
775543,
775553,
776411,
776443,
776533,
776661,
776665,
777221,
777431,
777541,
777551,
777641,
821111,
822221,
832211,
843221,
851111,
853331,
853333,
854333,
854441,
854443,
855521,
863221,
865211,
866321,
866441,
866553,
866651,
866653,
874421,
874433,
875531,
875533,
875543,
876221,
876431,
876551,
877541,
877543,
877661,
877733,
877753,
881111,
884411,
886111,
886663,
887111,
887321,
887555,
887741,
887743,
888551,
888643,
888833,
888881,
911111,
933311,
942211,
943331,
944441,
953311,
954433,
955333,
955421,
955511,
963211,
963311,
964333,
965533,
966521,
966641,
966643,
973211,
975311,
975433,
976421,
976543,
976663,
977531,
977621,
977651,
977741,
977743,
977771,
977773,
984433,
985321,
985541,
986333,
987431,
987433,
987551,
988331,
988541,
988633,
988751,
988753,
988843,
988871,
988873,
992111,
994211,
996311,
996643,
997333,
997541,
997721,
997733,
997751,
998111,
998321,
998411,
998533,
998663,
998711,
998743,
998771,
999411,
999611,
999665,
999721,
999821,
999851,
999853,
999931,
999973,
3311111,
4222111,
4222211,
4331111,
4421111,
4433221,
5111111,
5321111,
5332211,
5422211,
5433331,
5444111,
5444221,
5444441,
5532221,
5543211,
5543221,
5544331,
5544421,
5554433.
Some larger examples :
99997655,
99997753,
99998111,
99998411,
99998543,
99998651,
99998661,
99998741,
99998755,
99998761,
99998771,
99998777,
99999431,
99999641,
99999733,
99999755,
99999761,
99999763,
99999881,
99999883.