15 2 1, 2 4 2, 1, 6, 4, 13, 15, 1 2, 2, 8, 3, 4, 10, 1 2, 1, 3, 2, 4, 8, 3 3, 1, 10, 5, 8, 14, 2, 10, 11, 1