属于这两个集合的第一个数字：
9,15,33,39,57,69,111,123,129,159,177,237,249,267,339,399,447,489,579,669,699,789,1119,1137,1149,1167,1227,1257,1299,1347,1389,1569,1689,1779,2229,2469,2559,2577,2589,3369,3459,3489,3579,3669,3777,4449,4467,4479,4569,4677,5667,5799,6999,7779,7899,8889,11127,11157,11199,11337,11379,11469,11499,11559,11589,11667,12237,12279,12333,12399,12459,12477,12777,13389,13449,13479,13557,13569,14667,14799,15567,15699,15999,16689,22233,22299,22377,22467,22569,22677,23367,23379,23469,23559,23799,23889,24699,24789,25689,26679,26799,26889,33339,33357,33447,33477,34449,34467,34557,34779,34899,35589,35799,36789,39999,45579,45699,45777,45789,46677,48999,55569,55779,57777,57999,66777,68889,69999,77799,88899,111117,111147,111369,111477,111567,111669,112227,112269,112389,112449,112467,112479,112899,113349,113559,113667,113889,114447,114459,114567,114999,115779,116799,122277,122289,122457,122469,122559,122799,123339,123447,123567,123699,123789,123999,124557,124779,125589,125679,126669,133347,133359,133449,133557,133599,133689,133899,134457,134679,134889,135699,135777,135789,144489,144579,144777,145569,145599,145689,145779,146667,147999,148899,155559,155577,155679,156669,156777,157899,158889,166899,167799,168999,177789,177999,222279,222447,222477,222567,223347,223359,223467,224799,225579,225669,228999,233349,233589,233679,233799,234489,234579,234699,234777,235779,236667,236679,237777,237999,238899,244599,244677,244689,245559,246669,247899,248889,249999,255579,255669,255777,255999,257799,268899,277779,333357,333447,333789,334479,334599,334779,335589,335679,336669,344499,344577,344667,345669,345777,347799,347889,355899,358899,366789,368889,377799,377889,444459,444579,445899,446799,447999,466779,555567,555699,556779,566799,688899,1111119,1111233. 一些较大的示例：
4557999,4577799,4577889,4666899,4667889,4677999,4778889,5555577,5559999,5567799,5568999,5578899,5666799,5666889,5677899,5777799,5889999,6666789,6666999,6667779.