属于这两个集合的第一个数字：
66,222,555,777,1166,2211,2222,2233,2255,2266,3311,3322,3333,3355,3399,4433,5511,5522,5555,7733,7766,7777,8822,8877,9911,9955,11122,11155,11166,11222,11666,22211,22222,22555,22666,33333,33355,33555,33999,44455,44466,44666,55533,55555,55599,55666,66677,66999,77777,88111,88555,88666,88822,88855,88877,99555,99777,99922,99966,110011,110033,110066,111122,111999,112222,112277,113366,114411,114433,114455,114477,114499,116633,116666,117722,117755,118811,118855,118877,119977,220033,220055,221133,221155,221199,222233,222266,222299,222333,223322,223333,223399,224411,224499,225566,226622,226666,226677,226699,227711,228833,229911,229966,330011,330077,331111,331166,332211,332222,332277,332299,333111,333311,333399,334477,334499,335555,335577,336611,336655,336677,338811,338822,339911,339922,339933,339977,339999,440033,441111,441122,441199,442211,442222,442277,443311,443333,443377,443399,444111,444333,444422,444455,444477,444499,444777,445511,445555,446633,446677,447711,447766,448855,449911,449977,550033,550099,551177,551199,552211,552233,553355,553366,553399,554411,555333,555566,555577,555599,555999,556622,556633,556666,557711,557733,557755,557799,558811,558833,559933,559955,559966,660011,660077,662255,662266,663311,663333,663377,664433,664466,664477,664499,665533,665555,665566,666633,666777,667711,667777,668833,668855,668866,668877,771122,771166,771177,771199,773333,773366,773377,774422,774433,774455,774499,775522,776611,776633,777111,777711,777733,777766,778811,778822,778899,779999,880055,880077,880099,881111,881133,882233,883322,883333,883355,883366,884433,885511,885566,886699,887722,887755,887799,888877,888999,889933,991166,991199,992255,993311,993355,993399,995577,995599,996655,996699,997711,997777,998866,998877,998899,999111,999777,999955,1100077,1100333,1100555,1110022,1111133,1111155,1111177,1111666,1111999,1112222,1112255,1113333,1113355,1114422,1114455,1114466. 一些较大的示例：
99977555,99977722,99988666,99988822,99988833,99988899,99988999,99990011,99991111,99992299,99993377,99994411,99996677,99997777,99997799,99998833,99998855,99998866,99999777,99999922.