4 4 4 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 2 2 3 1 1 1 1 1 1 1 1 1 5 4.5 1 1 3.5 4 2.5 3.5 3.5 . 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