1 1 1 2 2 2 2 2 2 3 3 4 1 1 2 3 3 4 4 4 4 4 4 3 3 3 3 4 4 4 4 5 6 7 3 3 3 2 2 1 2 4 5 5 5 5 6 6 7 7 8 5 4.5 5 8.5 7.5 0.5 0.5 4 4.5 1.5 1.5 1 1 1 2.5 0.5 0.5 1.5 2.5 2.5