A.5mm B.10mm C.15mm D.20mm E.25mm F.30mm G.35mm H.40mm
A.8mm B.6mm C.4mm D.3mm E.2mm F.1mm G.0.5mm H.0.1mm
A.1~2h B.2~4h C.4~6h D.6~8h E.4h F.6h G.8h H.10h