4 4 4 4 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 5.5 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 5 5 3 2.5 1.5 0 2 2.5 2 2 3 1 1 0 2 . 1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-3 2-3 2-3 2-3 2-3 3-4 3-4 3-4