+8 -9 od7 -8 -9 | od7 | ob6 +6 -6' -6 | +7 +6 -6 -5 +4 -4' -4 | -5 +6 -5 +6 -6 -5 | -5 | +8 -8 +7 -8 +8 +7 | +8' -8 -8 +6 -6' -6 | +7 -8 +7 +8' +8 | -8 | +8 -9 od7 -8 -9 | od7 | -8 +6 -6' -6 | +7 +6 -6 -5 +4 -4' -4 | -5 +6 -5 +6 -6 -5 | -5