1, 2, 1, 2, 3, 3, 5, 4, 3, 2, 2, 2, 4, 6, 2, 4, 6, 4, 2, 2, 4, 7, 5, 7, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7