1, 1, 0, 4, 3, 3, 5, 6, 5, 5, 7, 8, 7, 7, 9, 10, 9, 9, 11, 12, 11, 11, 13, 14, 13, 13, 15, 16, 15, 15, 17, 18, 17, 17, 19, 20, 19, 19, 21, 22, 21, 21, 23, 24, 23, 23, 25, 26, 25, 25, 27, 28, 27, 27, 29, 30, 29, 29, 31, 32, 31, 31, 33, 34, 33, 33, 35, 36, 35, 35, 37, 38, 37, 37, 39, 40, 39, 39, 41, 42, 41