7 6 5 4 4 4 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 1 1 2 2 . 8 5.5 4.5 4.5 4.5 3 3 4 4 2.5-3 2.5-3 2.5-3 2-2.5 2-2.5 2-2.5 2-2.5 3-3.5 3-3.5 3-3.5 3.5-4 3-3.5 2.5 2.5 2 2 1.5 1.5 1.5 1.5 1-1.5 1-1.5 1.5