1, 1, 2, 3, 3, 4, 4, 4, 4, 7, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 16, 17, 18, 19, 20, 20, 20, 20, 20, 20, 20, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28