-4 +5 -4 | +5 -4 +5 | -4 +5 -4' | ob4 -3 -4' | -3' +4 -3' | +4 -3' | -6' +6 | ob5 -5 | +5 | +7 od7 | -8 +8' | +8' | ob4 | ob4 +5 | ob4 | +6 ob5 | -5 +5 | +6 | +6 | +6 -6' ob6 | +7 ob4 | -5 +6 +6 +4 | -3 -4' -4 | +5 -5 ob5 | +6 -6' -6 | ob6 -7 +7 | od7 -8 +8' | +8 -9 +9' | +9