属于这两组的第一个数字：
12,20,30,42,56,66,70,78,88,102,104,114,138,174,186,222,246,258,282,308,318,354,364,366,368,402,426,438,464,474,476,498,532,534,582,606,618,642,644,650,654,678,762,786,812,822,834,836,868,894,906,942,945,978,992,1002,1036,1038,1074,1086,1146,1148,1158,1182,1194,1204,1266,1316,1338,1362,1374,1398,1434,1446,1484,1504,1506,1542,1578,1614,1626,1652,1662,1686,1698,1708,1758,1842,1866,1876,1878,1888,1902,1952,1986,1988,2002,2022,2044,2082,2094,2118,2154,2202,2212,2238,2274,2298,2324,2334,2382,2406,2454,2492,2514,2526,2586,2598,2634,2658,2694,2716,2742,2766,2778,2802,2828,2874,2884,2922,2946,2994,2996,3018,3052,3054,3126,3138,3164,3230,3246,3282,3342,3378,3414,3426,3462,3522,3556,3558,3594,3606,3642,3668,3678,3702,3714,3770,3786,3836,3846,3858,3882,3892,3918,3954,3966,4030,4038,4062,4095,4098,4146,4172,4206,4228,4254,4314,4362,4396,4398,4434,4458,4506,4542,4564,4566,4614,4638,4676,4722,4730,4782,4844,4854,4866,4926,4938,4962,4974,5012,5034,5068,5118,5142,5154,5178,5262,5286,5298,5322,5348,5404,5442,5466,5514,5516,5572,5574,5622,5624,5646,5682,5718,5802,5826,5830,5862,5898,5908,5946,5982,6054,6078,6114,6126,6186,6198,6234,6244,6294,6306,6356,6366,6378,6412,6414,6435,6522,6524,6546,6558,6582,6618,6654,6692,6702,6738,6748,6774,6906,6918,6978,7026,7028,7086,7122,7158,7192,7196,7206,7278,7302,7338,7364,7374,7386,7422,7425,7494. 一些较大的示例：
99998538,99998718,99998922,99998958,99999006,99999056,99999116,99999138,99999282,99999294,99999462,99999498,99999534,99999582,99999642,99999654,99999726,99999786,99999844,99999956.