属于这两组的第一个数字：
6,20,30,40,42,54,60,66,72,80,84,88,90,96,100,200,210,220,222,300,320,330,400,420,432,440,444,500,510,520,522,532,540,544,550,552,600,620,630,640,642,644,650,654,660,666,700,720,732,740,744,750,760,762,770,774,800,810,820,822,832,840,852,860,864,870,876,880,882,888,900,910,920,930,940,942,952,954,960,966,972,980,984,990,992,996,1000,1100,1110,2000,2100,2200,2210,2220,3000,3100,3200,3210,3220,3222,3300,3320,3330,3332,4000,4100,4110,4200,4220,4300,4320,4332,4400,4410,4420,4422,4440,5000,5100,5110,5200,5220,5300,5310,5320,5322,5400,5420,5430,5432,5440,5442,5500,5520,5530,5532,5540,5544,5550,6000,6100,6200,6210,6220,6222,6300,6320,6330,6400,6420,6432,6440,6444,6500,6510,6520,6522,6540,6552,6600,6620,6630,6640,6642,6650,6654,6660,6664,6666,7000,7100,7110,7200,7210,7220,7300,7320,7332,7400,7410,7420,7422,7440,7500,7520,7530,7532,7540,7542,7544,7552,7554,7600,7620,7630,7632,7640,7644,7650,7660,7662,7700,7710,7720,7722,7740,7744,7752,7760,7764,7770,7776,8000,8100,8200,8220,8300,8310,8320,8322,8330,8400,8420,8430,8432,8440,8442,8500,8520,8532,8540,8544,8550,8600,8610,8620,8622,8632,8640,8652,8660,8664,8700,8720,8730,8740,8742,8750,8754,8760,8764,8766,8772,8800,8820,8832,8840,8844,8850,8860,8862,8874,8876,8880,8886,8888,9000,9100,9200,9210,9220,9222,9300,9310,9320,9330,9400,9420,9432,9440. 一些较大的示例：
999888,999900,999920,999930,999940,999942,999944,999950,999954,999960,999964,999966,999972,999980,999984,999990,999992,999996,999999,1000000.