  
  [1X31 [33X[0;0YKnots and Links[133X[101X
  
      │                     [10XPureCubicalKnot(L)[110X [10XPureCubicalKnot(n,i)[110X                     
      │                              [10XViewPureCubicalKnot(L)[110X                             
      │                                   [10XKnotSum(K,L)[110X                                  
      │                                   [10XKnotGroup(K)[110X                                  
      │                                [10XAlexanderMatrix(G)[110X                               
      │                  [10XAlexanderPolynomial(K)[110X [10XAlexanderPolynomial(G)[110X                  
      │                        [10XProjectionOfPureCubicalComplex(K)[110X                        
      │ [10XReadPDBfileAsPureCubicalComplex(file)[110X [10XReadPDBfileAsPureCubicalComplex(file,m ,c)[110X
  
