| 1, 9, 33, 99, 111, 141, 171, 303, 393, 535, 717, 777, 979, 1441, 1771, 3003, 3223, 3663, 5335, 7447, 9009, 9339, 9999, 11011, 11811, 11911, 12121, 12321, 12621, 13531, 14041, 14541, 14841, 17671, 18381, 18681, 19791, 30303, 31713, 32223
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