属于这两组的第一个数字：
三,5,7,11,101,151,181,191,313,10301,10501,12821,13831,13931,16061,16361,19891,19991,31513,32323,34843,35053,37573,72227,73037,76367,77477,78887,79397,79697,79997,93239,94349,94649,94849,94949,95959,97379,97579,98389,1003001,1055501,1062601,1129211,1134311,1163611,1183811,1186811,1193911,1201021,1208021,1212121,1221221,1242421,1250521,1253521,1262621,1268621,1281821,1286821,1362631,1486841,1496941,1532351,1535351,1572751,1580851,1589851,1598951,1609061,1633361,1660661,1685861,1707071,1712171,1734371,1748471,1755571,1802081,1820281,1842481,1883881,1908091,1924291,1963691,1976791,1987891,1995991,3001003,3007003,3064603,3072703,3091903,3222223,3228223,3315133,3329233,3331333,3424243,3443443,3449443,3470743,3479743,3528253,3569653,3601063,3716173,3746473,3858583,3863683,3871783,3899983,7041407,7069607,7082807,7093907,7118117,7129217,7159517,7194917,7257527,7388837,7401047,7475747,7489847,7519157,7527257,7540457,7600067,7611167,7630367,7666667,7715177,7750577,7778777,7783877,7868687,7930397,7933397,7960697,7977797,9002009,9067609,9103019,9174719,9200029,9209029,9230329,9231329,9271729,9277729,9286829,9318139,9324239,9397939,9414149,9440449,9493949,9547459,9561659,9624269,9650569,9686869,9709079,9724279,9743479,9795979,9818189,9845489,9888889,9896989,9907099,9918199,9919199,9965699,100060001,100111001,100161001,100767001,101141101,101414101,101616101,101949101,102454201,102838201,103060301,103282301,103323301,103515301,103575301,104222401,105343501,106444601,106464601,106545601,106909601,107636701,107868701,108434801,108565801,108686801,109111901,109575901,109777901,109818901,110111011,110232011,110505011,110747011,111070111,111757111,112111211,112212211,112494211,112636211,112878211,113565311,113636311,113888311,114353411,114818411,115464511,115545511,115797511,116010611,116424611,116868611,117101711,117262711,117959711,118717811,118818811,118959811,119202911,119696911,120565021,120868021,120989021,121818121,122262221,122333221,123292321,123989321,124131421,124656421,124737421,125838521,127212721,127636721,127686721,127929721,129494921,130464031,130585031,130818031,130858031,131030131,131111131,131646131,134232431,134858431,134909431,135515531,136222631,136818631,137040731,137363731,137424731,137636731,138040831,138242831,138454831,139161931,139383931,139717931,140030041,141484141,141848141,142030241,142272241. 一些较大的示例：
993343399,993373399,993838399,993959399,994656499,994777499,994878499,995414599,996464699,996494699,996565699,996686699,996818699,997393799,998111899,998282899,998757899,998979899,999434999,999454999.