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