1 2 2 2 2 3 3 3 2 2 2 1 2 2 2 1 2 2 2 3 3 3 3 3 3 3 3 3 4 4 5 5 6 4 5 5 5 6 . 4 0.5 1.5 1.5 2.5 2.5 1.5 1.5 2.5 2.5 2.5 2.5 4 4 4 5 7 5 6 7 1.5 2.5 3.5 3