StephenM
-6 +7 +8 -10 | od9 +9 +9' -9 | +8 -8 +7 -8 +8 | +7 -7 -6 -7 -6' | -6 +7 -9 -10 | od9 +9 +9' -9 | +8 +8' -8 -8 | +7 -7 -6 -7 -6' | -6