"Source: Text/Geometry/AlgSrf.text";
"Line: 6277";
"Date: Mon Mar 29 22:30:18 2021";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/Geometry/AlgSrf.text, line: 6277
// Example: H123E37 ()
print "Example: H123E37";
ei := GetEchoInput();
SetEchoInput(true);
r4<x,y,z,w> := PolynomialRing(Rationals(),4);
surf := x*y*z + x*y*w + x*z*w + y*z*w;
cont := ContravariantsOfCubicSurface(surf);
Factorization(cont[3]);
SetEchoInput(ei);
