A.0.62 B.0.68 C.0.74 D.0.82
A.2(2)1/2R B.4(2)1/2R C.4(3)1/2R D.4(3)1/2/3
A.21/2a/2 B.21/2a/4 C.31/2a/2 D.31/2a/4