a b c x 1.809017 3.118034 12.871834 f 0.334742 -0.297428 0.196191 a b c x 2.309017 3.618034 4.520578 f 0.050679 -0.393423 -0.315731 a b c x 2.000000 2.809017 7.472735 f 0.223891 -0.188717 0.269934 a b c x 3.309017 4.271136 5.827878 f -0.346269 -0.365838 0.100316 a b c x 3.000000 3.809017 3.871458 f -0.260052 -0.402656 -0.402442 a b c x 3.000000 3.500000 4.309017 f -0.260052 -0.380128 -0.359448 a b c x 3.500000 4.000000 4.809017 f -0.380128 -0.397150 -0.237726 a b c x 4.500000 4.000000 3.190983 f -0.320543 -0.397150 -0.317815 a b c x 4.500000 3.761258 3.690983 f -0.320543 -0.401754 -0.398728 a b c x 5.000000 4.190983 2.873393 f -0.177597 -0.377793 -0.214198