1, 2, 3, 4, 6, 5, 7, 9, 10, 8, 11, 14, 13, 15, 12, 16, 21, 20, 18, 22, 17, 19, 25, 27, 26, 24, 28, 23, 29, 35, 32, 36, 37, 30, 33, 41, 34, 44, 42, 31, 39, 45, 43, 46, 38, 40, 52, 49, 53, 54, 47, 50, 48, 55, 56, 51, 66, 61, 63, 58, 59, 60, 67, 57, 78, 62, 64
