1, 2, 4, 3, 7, 8, 6, 5, 13, 14, 16, 15, 11, 12, 10, 9, 25, 26, 28, 27, 31, 32, 30, 29, 21, 22, 24, 23, 19, 20, 18, 17, 49, 50, 52, 51, 55, 56, 54, 53, 61, 62, 64, 63, 59, 60, 58, 57, 41, 42, 44, 43, 47, 48, 46, 45, 37, 38, 40, 39, 35, 36, 34, 33, 97, 98, 100, 99, 103, 104, 102