1, 2, 3, 4, 5, 6, 7, 10, 8, 9, 11, 14, 15, 12, 13, 16, 19, 20, 21, 17, 18, 22, 25, 28, 26, 27, 23, 24, 29, 32, 35, 36, 33, 34, 30, 31, 37, 40, 43, 44, 45, 41, 42, 38, 39, 46, 49, 52, 55, 53, 54, 50, 51, 47, 48, 56, 59, 62, 65, 66, 63, 64, 60, 61, 57, 58, 67, 70, 73
