First numbers that belong to both sets:
232,
252,
424,
636,
808,
828,
1212,
3636,
7272,
8080,
9696,
29292,
42424,
46464,
63636,
86868,
323232,
646464,
969696,
2727272,
4242424,
6363636,
6767676,
6969696,
80808080,
96969696,
656565656,
696969696.