First numbers that belong to both sets:
11,
22,
1177,
3322,
4466,
5566,
336611,
6655777,
222995522,
1133998877,
99003377711,
118866884411,
118888338877,
223399666666,
3334455566677,
6655522556666,
11229911166611,
11990066996677,
22999922117722,
55991155663366,
77113377442222,
77222999922266,
99222115544777,
440077444883311,
881155771115566.