-6' ob6 | ob4 | -6' | +6 -4 | +6 +7 | -5 | +6 -8 | +9' +9 | -6 ob6 | -5 | ob6 | +5 | +5 | -4 | -5 +5 | +5 +5 | -4 | -6 -6' -6