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