[1,2,11,22,111,121,212,222,1111,1221,2112,2222, 11111,11211,12121,12221,21112,21212,22122,22222, 111111,112211,121121,122221,211112,212212,221122, 222222,1111111,1112111,1121211,1122211,1211121, 1212121,1221221,1222221,2111112]