A.-1.25DS/-0.75DC×15 B.-1.25DS/-1.25DC×15 C.-1.50DS/-1.50DC×15 D.-1.00DS/-1.50DC×15
A.-1.25DS/-0.75DC×15 B.-1.25DS/-1.25DC×15 C.-1.50DS/-0.50DC×15 D.-1.00DS/-0.50DC×15
A.+1.25DS/-0.75DC×15 B.+1.25DS/-1.25DC×15 C.+1.50DS/-1.50DC×15 D.+1.00DS/-1.50DC×15