4

F       0.271390506300889     -0.130715304923982     -0.089119269472086
F       1.660102621791715      1.425258338715907     -0.114603516350488
F       1.663121521937764     -0.247082364351421      1.694980425409600
F       0.203527915628566      1.258820143625302      1.691482605951316