4 4 4 4 5 5 5 5 6 4 4 4 5 4.5 6.5 7 6 6 3 3 3 3 5 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2.5 3.5 6.5 4 1 1 1 1 1 2 1 . 1-2 1-2 1-2 1-2 1-2 1-2 0.5-1 0.5-1 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 4-5 4-5 4-5 5-6