+5 | +7 +8 -6 -6 -6' -6' | -8 -6' +8 +5 | +6 +6 +6 -5 -8 | -8 -8 -9 +8 -8 | +7 -7 -6 -6' -6 -6 | +6 | -7 +8 +8 +8' +9' | -7 +8 | -8 +7 -7 -6 +8 | od7 -8 ob6 -7 +8 | -8 od7 -7 -7