20 F 0.49014 0.32779 2.13933 C 1.73953 -0.13841 2.38434 F 2.33710 0.74139 3.21687 F 1.57994 -1.29794 3.05825 C 2.51560 -0.32265 1.09651 F 1.93883 -1.30037 0.33588 F 2.41360 0.82118 0.34312 C 3.99304 -0.62033 1.28487 F 4.54037 -0.73273 0.03776 F 4.61963 0.44086 1.86181 C 4.30178 -1.87662 2.06849 F 3.77654 -1.74610 3.32382 F 3.64900 -2.93200 1.51001 C 5.77577 -2.19895 2.23174 F 6.39119 -1.22400 2.96277 F 5.86914 -3.33362 2.99971 C 6.51844 -2.42404 0.92946 F 6.71154 -1.27772 0.24147 F 7.75356 -2.93865 1.15273 F 5.86961 -3.28617 0.11599