5 5 4 4 4 4 4 3 3 3 3 3 3 3 3 2 2 2 2 3 3 5 6 7 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 5.5 5 2.5 . 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 1-2 1-2 1-2 1-2 1-2 1-2 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 2-3 3-4 3-4 3-4 3-4