1, 2, 4, 3, 6, 7, 10, 5, 9, 11, 15, 12, 16, 18, 24, 8, 14, 17, 22, 19, 25, 28, 35, 20, 26, 29, 36, 31, 39, 44, 55, 13, 21, 27, 34, 30, 38, 42, 51, 32, 40, 45, 56, 50, 60, 67, 81, 37, 46, 47, 57, 52, 62, 68, 82, 59, 65, 72, 86, 79, 93, 105, 121, 23, 33, 41, 49, 48, 58, 66, 77, 53, 64, 71, 85, 76, 90, 99, 111, 61