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