A.A3 B.A5 C.A2 D.B1
A.(80.2,25.8) B.(80.2,-25.8) C.(-80.2,25.8) D.(-80.2,-25.8)
A.1Erl=36ccs B.1Erl=360ccs C.1ccs=36Erl D.1ccs=360Erl