1, 2, 4, 3, 5, 9, 10, 8, 6, 7, 13, 11, 12, 14, 23, 24, 27, 26, 28, 22, 25, 20, 15, 16, 21, 18, 17, 19, 36, 37, 34, 29, 30, 35, 31, 32, 33, 41, 38, 39, 40, 42, 65, 66, 69, 68, 70, 78, 79, 77, 74, 75, 83, 81, 82, 84, 64, 67, 76, 73, 80, 62, 71, 57, 43, 44, 58, 46, 45, 47
