A.0.2~0.3 B.0.3~0.4 C.0.4~0.5 D.0.5~0.6
A.5~35 B.15~35 C.35~55 D.55~75
A.0.4~0.5 B.0.5~0.6 C.0.6~0.7 D.0.75~0.9