1, 2, 3, 4, 5, 11, 22, 33, 44, 55, 101, 111, 121, 131, 141, 191, 202, 212, 222, 232, 242, 292, 303, 313, 323, 333, 343, 393, 404, 414, 424, 434, 444, 494, 1001, 1111, 1221, 1331, 1441, 1991, 2002, 2112, 2222, 2332, 2442, 2992, 3003, 3113, 3223, 3333, 3443
