8 7 6 5 4 4 4 4 4 5 5 4 3 3 3 3 3 3 3 2 2 2 2 2 2 2 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1.5 2.5 1 3 4 0.5 9 1 3.5 4.5 6 3 1 2 1 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-3 2-3 2-3 3-4 4-5 4-5 0-1 1-2