属于这两组的第一个数字：
6,66,88,222,252,272,282,414,444,464,474,606,616,636,666,696,828,858,868,888,2002,2112,2442,2552,2772,2992,4004,4224,4554,4664,4884,5775,6006,6336,6666,6776,6996,8008,8118,8228,8448,8778,8888,20202,20502,20802,21012,21112,21312,21612,21712,21812,21912,22022,22122,22422,22722,23232,23532,23632,23832,24042,24342,24642,24942,25152,25452,25752,26262,26562,26862,27072,27272,27372,27472,27672,27872,27972,28182,28482,28782,29092,29292,29392,29592,29792,29892,40104,40304,40404,40704,41214,41514,41814,42024,42224,42324,42624,42924,43134,43434,43734,44044,44144,44244,44544,44744,44844,45054,45354,45654,45954,46164,46464,46564,46764,46864,47274,47574,47874,48084,48384,48684,48984,49194,49494,49794,50505,53235,55755,60006,60306,60606,60906,61116,61416,61516,61716,62226,62526,62826,63036,63336,63536,63636,63936,64146,64446,64746,65056,65156,65256,65556,65856,66066,66366,66666,66966,67176,67476,67676,67776,68286,68586,68886,69096,69396,69496,69696,69996,80108,80208,80408,80508,80608,80808,81018,81318,81618,81918,82128,82428,82628,82728,83238,83538,83838,84048,84348,84448,84648,84948,85158,85458,85758,86268,86568,86768,86868,86968,87078,87378,87678,87978,88088,88188,88288,88488,88688,88788,89298,89598,89898,171171,201102,202202,204402,207702,210012,211112,212212,213312,215512,216612,217712,219912,222222,225522,228822,230032,231132,232232,234432,236632,237732,238832,239932,240042,242242,243342,246642,249942,251152,252252,253352,255552,256652,257752,258852,259952,261162,262262,264462,267762,270072,272272,273372,274472,276672,278872,279972,282282,285582,288882,290092,291192,292292,293392,294492,295592,297792,299992,401104,402204,403304,404404,405504,407704,408804,409904. 一些较大的示例：
868868,869968,870078,873378,876678,878878,879978,880088,881188,882288,883388,884488,885588,886688,888888,891198,894498,897798,898898,999999.