StephenM
+4 -3' ob4 -4' | +4 -3' ob4 -4' | +4 +8 +7 +8' | +8 +7 -9 +8' | +8 -3' ob4 -4' | +4 -3' ob4 -4' | +8 +7 +8' | +8 +7 -9 +8' | +8 | +8 | -4 | +10 | +9' | -8 +8' | +8 +8 -9 +8 | +4 +8 +7 +8' | +8 +7 -5 ob4 | +5 | +8 | -4 | +10 | +9'