1, 10, 11, 12, 13, 14, 15, 16, 17, 2, 21, 22, 24, 25, 26, 28, 3, 32, 33, 34, 36, 37, 39, 4, 40, 41, 43, 44, 46, 47, 49, 5, 50, 51, 52, 53, 56, 57, 58, 6, 61, 65, 67, 7, 8, 9