K488 :
-2*a^8*c^4*x^2*y - 4*a^6*b^2*c^4*x^2*y - 3*a^4*b^4*c^4*x^2*y +   8*a^2*b^6*c^4*x^2*y + b^8*c^4*x^2*y + 5*a^6*c^6*x^2*y +   7*a^4*b^2*c^6*x^2*y - 8*a^2*b^4*c^6*x^2*y - 4*b^6*c^6*x^2*y -   3*a^4*c^8*x^2*y +   a^2*b^2*c^8*x^2*y + 6*b^4*c^8*x^2*y - a^2*c^10*x^2*y -   4*b^2*c^10*x^2*y + c^12*x^2*y - a^8*c^4*x*y^2 - 8*a^6*b^2*c^4*x*y^2 +   3*a^4*b^4*c^4*x*y^2 + 4*a^2*b^6*c^4*x*y^2 + 2*b^8*c^4*x*y^2 +   4*a^6*c^6*x*y^2 + 8*a^4*b^2*c^6*x*y^2 - 7*a^2*b^4*c^6*x*y^2 -   5*b^6*c^6*x*y^2 - 6*a^4*c^8*x*y^2 - a^2*b^2*c^8*x*y^2 + 3*b^4*c^8*x*y^2 +   4*a^2*c^10*x*y^2 + b^2*c^10*x*y^2 - c^12*x*y^2 + 2*a^8*b^4*x^2*z -   5*a^6*b^6*x^2*z + 3*a^4*b^8*x^2*z + a^2*b^10*x^2*z - b^12*x^2*z +   4*a^6*b^4*c^2*x^2*z - 7*a^4*b^6*c^2*x^2*z - a^2*b^8*c^2*x^2*z +   4*b^10*c^2*x^2*z + 3*a^4*b^4*c^4*x^2*z + 8*a^2*b^6*c^4*x^2*z -   6*b^8*c^4*x^2*z - 8*a^2*b^4*c^6*x^2*z + 4*b^6*c^6*x^2*z -   b^4*c^8*x^2*z + 3*a^10*b^2*x*y*z - 6*a^8*b^4*x*y*z + 6*a^4*b^8*x*y*z -   3*a^2*b^10*x*y*z - 3*a^10*c^2*x*y*z + 9*a^6*b^4*c^2*x*y*z -   9*a^4*b^6*c^2*x*y*z + 3*b^10*c^2*x*y*z + 6*a^8*c^4*x*y*z -   9*a^6*b^2*c^4*x*y*z + 9*a^2*b^6*c^4*x*y*z - 6*b^8*c^4*x*y*z +   9*a^4*b^2*c^6*x*y*z - 9*a^2*b^4*c^6*x*y*z - 6*a^4*c^8*x*y*z +   6*b^4*c^8*x*y*z +   3*a^2*c^10*x*y*z - 3*b^2*c^10*x*y*z + a^12*y^2*z - a^10*b^2*y^2*z -   3*a^8*b^4*y^2*z + 5*a^6*b^6*y^2*z - 2*a^4*b^8*y^2*z - 4*a^10*c^2*y^2*z +   a^8*b^2*c^2*y^2*z + 7*a^6*b^4*c^2*y^2*z -   4*a^4*b^6*c^2*y^2*z + 6*a^8*c^4*y^2*z - 8*a^6*b^2*c^4*y^2*z -   3*a^4*b^4*c^4*y^2*z - 4*a^6*c^6*y^2*z + 8*a^4*b^2*c^6*y^2*z +   a^4*c^8*y^2*z + a^8*b^4*x*z^2 - 4*a^6*b^6*x*z^2 + 6*a^4*b^8*x*z^2 -   4*a^2*b^10*x*z^2 + b^12*x*z^2 + 8*a^6*b^4*c^2*x*z^2 -   8*a^4*b^6*c^2*x*z^2 + a^2*b^8*c^2*x*z^2 - b^10*c^2*x*z^2 -   3*a^4*b^4*c^4*x*z^2 + 7*a^2*b^6*c^4*x*z^2 - 3*b^8*c^4*x*z^2 -   4*a^2*b^4*c^6*x*z^2 +   5*b^6*c^6*x*z^2 - 2*b^4*c^8*x*z^2 - a^12*y*z^2 + 4*a^10*b^2*y*z^2 -   6*a^8*b^4*y*z^2 + 4*a^6*b^6*y*z^2 - a^4*b^8*y*z^2 + a^10*c^2*y*z^2 -   a^8*b^2*c^2*y*z^2 + 8*a^6*b^4*c^2*y*z^2 - 8*a^4*b^6*c^2*y*z^2 +   3*a^8*c^4*y*z^2 - 7*a^6*b^2*c^4*y*z^2 + 3*a^4*b^4*c^4*y*z^2 -   5*a^6*c^6*y*z^2 + 4*a^4*b^2*c^6*y*z^2 + 2*a^4*c^8*y*z^2 = 0