1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 13, 12, 16, 15, 14, 17, 18, 20, 19, 21, 25, 22, 26, 24, 30, 23, 27, 29, 28, 32, 35, 36, 34, 31, 38, 37, 33, 40, 43, 42, 41, 47, 49, 48, 39, 45, 50, 44, 46, 51, 52, 54, 61, 57, 56, 58, 55, 66, 60, 62, 64, 73, 59, 65, 76, 63
