4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 4 5 5 2 2 2 2 2 2 2 2 2 2 2 2 5 5.5 4.5 3.5 1 3.5 1 1 3 1 1 . 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-3 3-4 3-4 3-4 3-4 3-4 3-4