1, 10, 12, 13, 14, 15, 16, 17, 18, 19, 2, 20, 23, 24, 25, 27, 29, 3, 30, 31, 32, 33, 34, 39, 4, 40, 41, 43, 44, 46, 48, 5, 6, 7, 8, 9