A.0.25~3.5s B.1.2~5s C.0.5~5s D.1.2~3.5s
A.1 B.1.2 C.1.5 D.2.0
A.1.0~1.4倍 B.1.5~2.5倍 C.2.5~3倍 D.3~3.5倍