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pts = {{0.`, -1.`, 0.`}, {-0.2411`, -0.94`,pts = {{0.`, -1.`, 0.`}, {-0.2411`, -0.94`,
0.2412`}, {-0.3831`, -0.842`, 0.3798`}, {-0.4355`, -0.715`,
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pts = {{0.`, -1.`, 0.`}, {-0.2411`, -0.94`,