displacement R1 0 0.75 0.005 R2 0 0.75 0.005 C1 0.1904628723859787 0.1701383739709854 0.1332085132598877 C2 0.5795466303825378 0.5859729647636414 0.5113978385925293 B1 0 0.5 0.05 1 1.1408450704225352