1 1 2 2 2 3 3 4 5 6 7 8 5 5 5 6 6 7 3 3 3 3 3 2 2 4 4 4 4 4 4 2 1 1 2 2 2 1 2 5 5 6 5 . 9 8 7 3 3 3 3 3 2 5 2.5 2.5 2.5 3.5 3.5 4.5