3 3 3 3 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 3.5 4 3 2.5 1 1 2 0 0 2 1-2 1-2 1-2 0-1 0-1 1-2 1-2 1-2 2-3 2-3 2-3 2-3