K558 :
-3*a^10*c^2*x^2*y + 5*a^8*b^2*c^2*x^2*y + 2*a^6*b^4*c^2*x^2*y -   6*a^4*b^6*c^2*x^2*y + a^2*b^8*c^2*x^2*y + b^10*c^2*x^2*y +   8*a^8*c^4*x^2*y - 8*a^6*b^2*c^4*x^2*y + 4*a^4*b^4*c^4*x^2*y -   4*b^8*c^4*x^2*y - 6*a^6*c^6*x^2*y + 2*a^4*b^2*c^6*x^2*y -   2*a^2*b^4*c^6*x^2*y + 6*b^6*c^6*x^2*y - 4*b^4*c^8*x^2*y + a^2*c^10*x^2*y +   b^2*c^10*x^2*y - a^10*c^2*x*y^2 - a^8*b^2*c^2*x*y^2 +   6*a^6*b^4*c^2*x*y^2 - 2*a^4*b^6*c^2*x*y^2 - 5*a^2*b^8*c^2*x*y^2 +   3*b^10*c^2*x*y^2 + 4*a^8*c^4*x*y^2 - 4*a^4*b^4*c^4*x*y^2 +   8*a^2*b^6*c^4*x*y^2 - 8*b^8*c^4*x*y^2 - 6*a^6*c^6*x*y^2 +   2*a^4*b^2*c^6*x*y^2 - 2*a^2*b^4*c^6*x*y^2 + 6*b^6*c^6*x*y^2 +   4*a^4*c^8*x*y^2 - a^2*c^10*x*y^2 - b^2*c^10*x*y^2 + 3*a^10*b^2*x^2*z -   8*a^8*b^4*x^2*z + 6*a^6*b^6*x^2*z - a^2*b^10*x^2*z -   5*a^8*b^2*c^2*x^2*z + 8*a^6*b^4*c^2*x^2*z - 2*a^4*b^6*c^2*x^2*z -   b^10*c^2*x^2*z - 2*a^6*b^2*c^4*x^2*z - 4*a^4*b^4*c^4*x^2*z +   2*a^2*b^6*c^4*x^2*z + 4*b^8*c^4*x^2*z + 6*a^4*b^2*c^6*x^2*z -   6*b^6*c^6*x^2*z - a^2*b^2*c^8*x^2*z + 4*b^4*c^8*x^2*z - b^2*c^10*x^2*z +   4*a^10*b^2*x*y*z - 8*a^8*b^4*x*y*z + 8*a^4*b^8*x*y*z - 4*a^2*b^10*x*y*z -   4*a^10*c^2*x*y*z + 20*a^6*b^4*c^2*x*y*z -   20*a^4*b^6*c^2*x*y*z + 4*b^10*c^2*x*y*z + 8*a^8*c^4*x*y*z -   20*a^6*b^2*c^4*x*y*z + 20*a^2*b^6*c^4*x*y*z - 8*b^8*c^4*x*y*z +   20*a^4*b^2*c^6*x*y*z - 20*a^2*b^4*c^6*x*y*z - 8*a^4*c^8*x*y*z +   8*b^4*c^8*x*y*z + 4*a^2*c^10*x*y*z - 4*b^2*c^10*x*y*z + a^10*b^2*y^2*z -   6*a^6*b^6*y^2*z + 8*a^4*b^8*y^2*z - 3*a^2*b^10*y^2*z + a^10*c^2*y^2*z +   2*a^6*b^4*c^2*y^2*z - 8*a^4*b^6*c^2*y^2*z +   5*a^2*b^8*c^2*y^2*z - 4*a^8*c^4*y^2*z - 2*a^6*b^2*c^4*y^2*z +   4*a^4*b^4*c^4*y^2*z + 2*a^2*b^6*c^4*y^2*z + 6*a^6*c^6*y^2*z -   6*a^2*b^4*c^6*y^2*z - 4*a^4*c^8*y^2*z + a^2*b^2*c^8*y^2*z +   a^2*c^10*y^2*z + a^10*b^2*x*z^2 - 4*a^8*b^4*x*z^2 + 6*a^6*b^6*x*z^2 -   4*a^4*b^8*x*z^2 + a^2*b^10*x*z^2 + a^8*b^2*c^2*x*z^2 -   2*a^4*b^6*c^2*x*z^2 + b^10*c^2*x*z^2 - 6*a^6*b^2*c^4*x*z^2 +   4*a^4*b^4*c^4*x*z^2 + 2*a^2*b^6*c^4*x*z^2 + 2*a^4*b^2*c^6*x*z^2 -   8*a^2*b^4*c^6*x*z^2 - 6*b^6*c^6*x*z^2 + 5*a^2*b^2*c^8*x*z^2 +   8*b^4*c^8*x*z^2 - 3*b^2*c^10*x*z^2 - a^10*b^2*y*z^2 +   4*a^8*b^4*y*z^2 - 6*a^6*b^6*y*z^2 + 4*a^4*b^8*y*z^2 - a^2*b^10*y*z^2 -   a^10*c^2*y*z^2 + 2*a^6*b^4*c^2*y*z^2 - a^2*b^8*c^2*y*z^2 -   2*a^6*b^2*c^4*y*z^2 - 4*a^4*b^4*c^4*y*z^2 + 6*a^2*b^6*c^4*y*z^2 +   6*a^6*c^6*y*z^2 + 8*a^4*b^2*c^6*y*z^2 - 2*a^2*b^4*c^6*y*z^2 -   8*a^4*c^8*y*z^2 - 5*a^2*b^2*c^8*y*z^2 + 3*a^2*c^10*y*z^2 = 0