1, 3, 1, 3, 1, 4, 1, 5, 3, 4, 1, 5, 3, 6, 4, 3, 7, 1, 5, 6, 4, 3, 7, 1, 5, 8, 6, 4, 9, 1, 5, 3, 7, 8, 6, 4, 9, 1, 5, 3, 7, 10, 8, 6, 4, 11, 3, 7, 1, 5, 9, 10, 8, 6, 4, 11, 3, 7, 1, 5, 9, 12, 10, 8, 6, 4, 9, 1, 13, 5, 3, 7, 11, 12, 10, 8, 6, 4, 9, 1, 13, 5, 3, 7, 11, 14, 12, 10, 8, 6, 4, 11, 3, 15