1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 4 3.5 2 2.5 0.5 1 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 0-1 0-1 0-1 0-1