1, 2, 3, 4, 6, 5, 8, 7, 11, 9, 15, 12, 17, 10, 18, 13, 20, 14, 25, 19, 28, 16, 31, 21, 33, 22, 39, 24, 34, 23, 41, 27, 40, 26, 46, 29, 43, 30, 55, 32, 51, 35, 63, 36, 52, 37, 68, 38, 59, 42, 75, 44, 66, 45, 84, 47, 71, 48, 82, 49, 72, 50, 91, 53, 80, 54, 94