-6' -7 | -6 -4 ob4 | +5 | +5 | +4 +5 -6 +7 -6 +5 | -4 +5 -6' -7 -6' +5 | +4 +5 -6 +7 -6 +5 | -4 -5 -6 -7 -6 -5 | +6 -6 +6 -5 -4 -3 | -4 +4 -3 +4 -4' | -4 -7 -7 +7 -8 +8' | +8 | -9 +8 -5 +5 +5 | -9 +8 -5 +5 +5 | -9 +8 -5 +5 +5 | +9 -9 +6 -5 -5 | -4 | -5 +5 | ob2 -3'' -2' | -3'''