2 1 1 1 2.5 1 1 0.5 1 2 2 2 2 2 3 3 4 1 1 1 1 1 1 2 2.5 3 4 3 4 5 6 1 1 1 1 1 1 5 2 0-1 1-2 1-2 1-2 1-2 2-3 2-3 2-3 1-2 1-2 1-2 0-1 0-1 0-1 0-1 1-2 3-4 3-4