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