27 yards (80-90 jin), 28 yards (90-100 catties), 29 yards (100-110 catties), 30 yards (110-120 catties), 31 yards (120-130 catties), 32 yards (130-140 catties), 33 yards (140-150 catties), 34 yards (150-160 catties), 36 yards (160-175 catties), 38 yards (175-185 catties), 40 yards (185-195 catties)
効率化