-6 7 -8 8 -9 8 -8 -7 6
-6 -7 7 -6 -6 -6' -6 -7 -6' -6'
-6 7 -8 8 -9 8 -8 -7 6
-6 -7 7 -7 -6 -7 -6 -6' -6

9 9 -9 8 -8 -7 6
-6 -7 7 -6 -6 -6' -6 -7 -6' -6'
9 9 -9 8 -8 -7 6
-6 -7 7 -7 -6 -7 -6 -6' -6