<Verb>PureCubicalKnot(n,k):: Int, Int --> PureCubicalComplex</Verb>
<Verb>PureCubicalKnot(L):: List --> PureCubicalComplex</Verb><P/>




<P/> Inputs integers <M>n, k</M> and returns the <M>k</M>-th prime knot on <M>n</M> crossings as a pure cubical complex (if this prime knot exists). 

<P/> Inputs a list <M>L</M> describing an arc presentation for a knot or link
and returns the knot or link as a pure cubical complex. 


