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ParametricPlot3D [ { [//math:cos16t * (1 - (t^2)/4) ^ 0.5//] , [//math:sin16t * (1 - (t^2)/9) ^ 0.5//] , [//math:t/4 + t(sin1450t+sin129t)/37//] } , { t , [//number:-4pi//] , [//number:4pi//] } ]
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