4 5 5 5 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 2 2 3 1 3 4 6 3 2 2 1 4.5 2 5 4 1 0 4 2 1 2 . 0-1 0-1 1-2 1-2 1-2 1-2 1-2 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 5-6 1-2