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Normal -4.454752e-15 -1.000000e+00 -8.623081e-14 facet normal -4.667726e-001 -8.177243e-001 3.368239e-001 facet normal 4.002529e-02 4.384009e-03 9.991890e-01 facet normal -0.989341 0.0974418 0.108212 facet normal -4.222907e-17 -1.000000e+00 3.538056e-14 vertex.