-3 -4' ob4 -3 | +5 | -3 -4' -5 | +5 | -4 +5 -5 -4 | -6 | -6 +6 ob5 -5 | +5 | -4 +5 -5 -4 | -6 | -4 -5 -6 | -8 -6 -5 | -4 -5 -6 | od7 -6 -5 | -4 -5 -6 | -8 -6 +5 | -6 | -10 | -4 +5 -4 -5