First numbers that belong to both sets:
1100,
2200,
3300,
4400,
5500,
6600,
7700,
8800,
9900,
11000,
11100,
22000,
22200,
33000,
33300,
44000,
44400,
55000,
55500,
66000,
66600,
77000,
77700,
88000,
88800,
99000,
99900,
110000,
111000,
112200,
115500,
220000,
221100,
222000,
224400,
330000,
333000,
336600,
440000,
442200,
444000,
448800,
550000,
555000,
660000,
663300,
666000,
770000,
777000,
880000,
884400,
888000,
990000,
999000,
1100000,
1110000,
1122000,
1155000,
2200000,
2211000,
2220000,
2244000,
3300000,
3330000,
3366000,
4400000,
4422000,
4440000,
4488000,
5500000,
5550000,
6600000,
6633000,
6660000,
7700000,
7770000,
8800000,
8844000,
8880000,
9900000,
9990000,
11000000,
11002200,
11100000,
11111100,
11220000,
11550000,
22000000,
22001100,
22004400,
22110000,
22200000,
22222200,
22440000,
33000000,
33006600,
33300000,
33333300,
33660000,
44000000,
44002200,
44008800,
44220000,
44400000,
44444400,
44880000,
55000000,
55001100,
55500000,
55555500,
66000000,
66003300,
66330000,
66600000,
66666600,
77000000,
77700000,
77777700,
88000000,
88004400,
88440000,
88800000,
88888800,
99000000,
99900000,
99999900,
110000000,
110002200,
110022000,
111000000,
111111000,
112200000,
115500000,
220000000,
220001100,
220004400,
220011000,
220044000,
221100000,
222000000,
222222000,
224400000,
330000000,
330006600,
330066000,
333000000,
333333000,
336600000,
440000000,
440002200,
440008800,
440022000,
440088000,
442200000,
444000000,
444444000,
448800000,
550000000,
550011000,
555000000,
555555000,
660000000,
660003300,
660033000,
663300000,
666000000,
666666000,
770000000,
777000000,
777777000,
880000000,
880004400,
880044000,
884400000,
888000000,
888888000,
990000000,
999000000,
999999000,
1100000000,
1100002200,
1100008800,
1100022000,
1100111100,
1100220000,
1110000000,
1110011100,
1110022200,
1111001100,
1111110000,
1122000000,
1155000000,
2200000000,
2200001100,
2200004400,
2200011000,
2200044000,
2200110000,
2200222200,
2200440000,
2211000000,
2211111000,
2220000000,
2220022200,
2220044400,
2222002200,
2222220000,
2244000000,
3300000000,
3300006600,
3300066000,
3300333300,
3300660000,
3330000000,
3330033300,
3330066600,
3333003300,
3333330000,
3366000000,
4400000000,
4400002200,
4400008800,
4400022000,
4400088000,
4400220000,
4400444400,
4400880000,
4422000000,
4422222000,
4440000000,
4440044400,
4440088800,
4444004400,
4444440000,
4488000000,
5500000000,
5500110000,
5500555500,
5550000000,
5550055500,
5555005500,
5555550000,
6600000000,
6600003300,
6600033000,
6600330000,
6600666600,
6633000000,
6633333000,
6660000000,
6660066600,
6666006600,
6666660000,
7700000000,
7700777700,
7770000000,
7770077700,
7777007700,
7777770000,
8800000000,
8800004400,
8800044000,
8800440000,
8800888800,
8844000000,
8844444000,
8880000000,
8880088800,
8888008800,
8888880000,
9900000000,
9900999900,
9990000000,
9990099900,
9999009900,
9999990000,
11000000000,
11000002200,
11000022000,
11000088000.
Some larger examples :
44000002200,
44000008800,
44000022000,
44000088000,
44000220000,
44000444400,
44000880000,
44002200000,
44004444000,
44008800000,
44220000000,
44222220000,
44400000000,
44400044400,
44400444000,
44400888000,
44440004400,
44440044000,
44444400000,
44880000000.