1, 10, 12, 13, 14, 15, 16, 18, 19, 2, 20, 22, 3, 30, 31, 32, 33, 34, 35, 37, 39, 4, 40, 42, 43, 44, 47, 48, 49, 5, 50, 51, 52, 54, 56, 6, 7, 8, 9