属于这两组的第一个数字：
252,272,282,414,464,474,606,616,636,696,828,858,868,1212,1818,2020,2424,2828,3030,3636,4040,4242,4848,5454,5656,6060,6464,7070,7272,7878,8080,8484,9090,9696,20202,23232,26262,27272,29292,40404,43434,46464,49494,50505,60606,63636,67676,69696,80808,83838,86868,89898,101010,121212,141414,151515,161616,181818,202020,242424,252525,262626,282828,303030,323232,343434,353535,363636,383838,404040,424242,454545,464646,484848,505050,525252,545454,565656,585858,606060,626262,646464,656565,686868,707070,727272,747474,757575,767676,787878,808080,828282,848484,858585,868686,909090,929292,949494,959595,969696,989898.