1, 2, 3, 5, 4, 7, 6, 8, 10, 12, 9, 11, 15, 16, 13, 14, 17, 18, 21, 22, 25, 26, 19, 20, 23, 24, 31, 32, 33, 34, 27, 28, 29, 30, 35, 36, 37, 38, 43, 44, 45, 46, 51, 52, 53, 54, 39, 40, 41, 42, 47, 48, 49, 50, 63, 64, 65, 66, 67, 68, 69, 70, 55, 56, 57, 58, 59, 60
