First numbers that belong to both sets:
1144,
5544,
6622,
6644,
7766,
8855,
9955,
9988,
11100,
11122,
11188,
11222,
11666,
22200,
22266,
22555,
22888,
33000,
33366,
33388,
33444,
33555,
33666,
44000,
44400,
44422,
44466,
44555,
44666,
55555,
55566,
66000,
66666,
77222,
77666,
77700,
77755,
77888,
88444,
88555,
88822,
99000,
99444,
99944,
99955,
110000,
110044,
111000,
111155,
111166,
111555,
111888,
113300,
114422,
114444,
115500,
116600,
116622,
116644,
117744,
118822,
118855,
118888,
119900,
119944,
220044,
220088,
221122,
221144,
221166,
221188,
222200,
222222,
222255,
222444,
222666,
223322,
223344,
223355,
224455,
224488,
225544,
225555,
226688,
227755,
227766,
228800,
229922,
229955,
330000,
330022,
330088,
331100,
331166,
332244,
333000,
333300,
333355,
333555,
333888,
334455,
334466,
335544,
335588,
336600,
336622,
337700,
337766,
338822,
338844,
338888,
339922,
339966,
339988,
440055,
440066,
441144,
442255,
442266,
443300,
443322,
444222,
444455,
444666,
445522,
445555,
446622,
446666,
446688,
447722,
447766,
447788,
449900,
550055,
550088,
551155,
551166,
551188,
552200,
552222,
553322,
553344,
553388,
554400,
554422,
554488,
555000,
555444,
555500,
555544,
555566,
555888,
556644,
556666,
557700,
558800,
558844,
558855,
559922,
559944,
559955,
559988,
660088,
661144,
661155,
661166,
662244,
663322,
663366,
663388,
664466,
664488,
665588,
666000,
666444,
666622,
666655,
667700,
668844,
668888,
669955,
669966,
770000,
770088,
771122,
771155,
772244,
772255,
772266,
772288,
773300,
773322,
773355,
774400,
774444,
774455,
774488,
775522,
775544,
775566,
775588,
776600,
776644,
776666,
777444,
777700,
777722,
777755,
777888,
778800,
778822,
778855,
778866,
778888,
779900,
779944,
779955,
779966,
880088,
881100,
881122,
881166,
881188,
882200,
882222,
883366,
883388,
884400,
884466,
885544,
885566,
886622,
886688,
887722,
887766,
887788,
888222,
888844,
889944,
889988,
990066,
990088,
991100,
991155,
991166,
992200,
992222,
992255,
993300,
993355,
993388,
994400,
994422,
994466,
995500,
995522,
996655,
996666,
997700,
998800,
998822,
998888,
999444,
999922,
999944,
1100222,
1100666,
1110055,
1111100,
1111122,
1111144,
1111222,
1111888,
1112222,
1112244,
1112255,
1112288,
1113300,
1113322,
1113355.
Some larger examples :
9992288,
9993300,
9993322,
9993366,
9994400,
9995500,
9995555,
9996600,
9996622,
9996688,
9997722,
9997766,
9998822,
9998844,
9999000,
9999444,
9999555,
9999955,
9999966,
9999988.