GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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<Verb>DisplayArcPresentation(K) :: PureCubicalComplex --> void</Verb><P/>
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<P/>Displays a  <M>3</M>-dimensional 
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pure cubical knot <B>K=PureCubicalKnot(L)</B> in the form of an arc presentation.
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