-6 | -7 | +7 | +8 | +7 -7 -6 -6' | -6 | -5 +6 -5 | +5 | -4 | -6 | -8 +8 -9 -9 | +8 | -8 -7 -6 -6' | -6 | -5 +5 -4 | -5 | +8 | -9 | +9 -9 +8 -8 | +8 | -10 od9 -10 od9 | -10