W. C. Filby
+5 | +7 -7 -6 -6' | -6 +5 +5 +5 | +6 -5 +5 +5 | +6 -5 +5 +5 | +8 -8 +7 -7 | -7 +7 +7 +7 | -7 -6' -6 -6 | -5 +5 +5 +5 | -6' -6 -7 +7 | +8 -8 +7 +7 | -9 -8 ob6 -6 | +7 -7 -6 | -6 -6