A.0.27cra,0.30cm B.-0.27cm,-0.30cm C.0.30cm,0.27cm D.-0.30cm,-0.27cm
A.0.51cm,0.47cm B.-0.51cm,-0.47cm C.0.51cm,-0.47cm D.-0.51cm,0.47cm
A.3.2 B.3.3 C.3.4 D.3.6