1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 14, 16, 17, 18, 20, 21, 19, 22, 23, 24, 26, 27, 28, 25, 29, 30, 31, 33, 34, 35, 36, 32, 37, 38, 39, 41, 42, 43, 45, 44, 40, 46, 47, 48, 50, 51, 52, 54, 55, 53, 49, 56, 57, 58, 60, 61, 62, 64, 65, 66, 63, 59, 67, 68, 69
