1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 10, 10, 11, 12, 11, 13, 14, 11, 14, 15, 11, 16, 15, 17, 14, 15, 18, 16, 19, 17, 19, 20, 17, 21, 20, 22, 23, 23, 24, 25, 26, 27, 28, 28, 29, 30, 29, 31, 28, 32, 30, 32, 33, 31, 34, 31, 32, 35, 34, 36, 29, 32, 37, 34, 37, 38, 32, 33