25*(x^3*(y+z)+y^3*(x+z)+z^3*(x+y))+50*(x^2*y^2+x^2*z^2+ y^2*z^2)-125*(x^2*y*z+y^2*x*z+z^2*x*y)+60*x*y*z-4*(x*y+ x*z+y*z)=0
Here is the PoV3-source I used
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