A.1670 B.1770 C.1870 D.1970
A.0.15 B.0.20 C.0.35 D.0.5
A.0.5m×0.6m×1.0m B.0.5m×0.6m×0.8m C.0.4m×0.5m×0.6m D.0.6m×0.8m×1.0m