[((x^2-y)^2+0.2*x^5)*((y^2-x)^2+0.2*y^5)+(512*z^10-1280...
8*(x^2-((1+sqrt(5))/2)^4*y^2)*(y^2-((1+sqrt(5))/2)^4*z^...
x^4*z^3+a*x^4*y^3-b*x^4*y^2*z+c*x*z^4-d*z^6-x^2*y*z^4+x...
x^4+y^4+z^4-a^4
225x^4z^4*1/256 + 90x^2y^2z^4*1/16 + 9y^4z^4 - 90x^3z^5...
x^2*y^4*z^2+a*x*y^4*z^3+b*x^2*y^3*z+c*y^4-d*x^5*z^3-x*y...