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