"Source: Text/Geometry/AlgSrf.text";
"Line: 6277";
"Date: Thu Sep 25 14:47:45 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Geometry/AlgSrf.text, line: 6277
// Example: H126E37 ()
print "Example: H126E37";
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);
