First numbers that belong to both sets:
101,
121,
141,
161,
181,
212,
232,
252,
272,
292,
303,
323,
343,
363,
383,
414,
434,
454,
474,
494,
505,
525,
545,
565,
585,
616,
636,
656,
676,
696,
707,
727,
747,
767,
787,
818,
838,
858,
878,
898,
909,
929,
949,
969,
989,
1010,
1212,
1414,
1616,
1818,
2121,
2323,
2525,
2727,
2929,
3030,
3232,
3434,
3636,
3838,
4141,
4343,
4545,
4747,
4949,
5050,
5252,
5454,
5656,
5858,
6161,
6363,
6565,
6767,
6969,
7070,
7272,
7474,
7676,
7878,
8181,
8383,
8585,
8787,
8989,
9090,
9292,
9494,
9696,
9898,
10101,
12121,
14141,
16161,
18181,
21212,
23232,
25252,
27272,
29292,
30303,
32323,
34343,
36363,
38383,
41414,
43434,
45454,
47474,
49494,
50505,
52525,
54545,
56565,
58585,
61616,
63636,
65656,
67676,
69696,
70707,
72727,
74747,
76767,
78787,
81818,
83838,
85858,
87878,
89898,
90909,
92929,
94949,
96969,
98989,
101010,
121212,
141414,
161616,
181818,
212121,
232323,
252525,
272727,
292929,
303030,
323232,
343434,
363636,
383838,
414141,
434343,
454545,
474747,
494949,
505050,
525252,
545454,
565656,
585858,
616161,
636363,
656565,
676767,
696969,
707070,
727272,
747474,
767676,
787878,
818181,
838383,
858585,
878787,
898989,
909090,
929292,
949494,
969696,
989898,
1010101,
1212121,
1414141,
1616161,
1818181,
2121212,
2323232,
2525252,
2727272,
2929292,
3030303,
3232323,
3434343,
3636363,
3838383,
4141414,
4343434,
4545454,
4747474,
4949494,
5050505,
5252525,
5454545,
5656565,
5858585,
6161616,
6363636,
6565656,
6767676,
6969696,
7070707,
7272727,
7474747,
7676767,
7878787,
8181818,
8383838,
8585858,
8787878,
8989898,
9090909,
9292929,
9494949,
9696969,
9898989,
10101010,
12121212,
14141414,
16161616,
18181818,
21212121,
23232323,
25252525,
27272727,
29292929,
30303030,
32323232,
34343434,
36363636,
38383838,
41414141,
43434343,
45454545,
47474747,
49494949,
50505050,
52525252,
54545454,
56565656,
58585858,
61616161,
63636363,
65656565,
67676767,
69696969,
70707070,
72727272,
74747474,
76767676,
78787878,
81818181,
83838383,
85858585,
87878787,
89898989,
90909090,
92929292,
94949494,
96969696,
98989898,
101010101,
121212121,
141414141,
161616161,
181818181,
212121212,
232323232,
252525252,
272727272,
292929292.
Some larger examples :
616161616,
636363636,
656565656,
676767676,
696969696,
707070707,
727272727,
747474747,
767676767,
787878787,
818181818,
838383838,
858585858,
878787878,
898989898,
909090909,
929292929,
949494949,
969696969,
989898989.