ob2 -6' -6 -4 | -4' -4 -2 | ob2 -6' -6 -4 | ob2 -6' -6 -4 | -4' -4 -2 | -4' -4 -2 | ob2 -6' -6 -4 | ob2 -6' -6 -4 | +1 ob4 +5 -3'' | -4' -4 -2 | ob2 -6' -6 -4 | +1 ob4 +5 -3''