K271 :-b^8*x^3 + a^4*b^2*c^2*x^3 - 2*a^2*b^4*c^2*x^3 + 3*b^6*c^2*x^3 - 2*a^2*b^2*c^4*x^3 - b^4*c^4*x^3 + 3*b^2*c^6*x^3 - c^8*x^3 - a^4*b^4*x^2*y - 2*a^2*b^6*x^2*y + a^6*c^2*x^2*y - 3*a^4*b^2*c^2*x^2*y + 9*a^2*b^4*c^2*x^2*y - b^6*c^2*x^2*y - 2*a^4*c^4*x^2*y + 5*a^2*c^6*x^2*y - 7*b^2*c^6*x^2*y + c^8*x^2*y - 2*a^6*b^2*x*y^2 - a^4*b^4*x*y^2 - a^6*c^2*x*y^2 + 9*a^4*b^2*c^2*x*y^2 - 3*a^2*b^4*c^2*x*y^2 + b^6*c^2*x*y^2 - 2*b^4*c^4*x*y^2 - 7*a^2*c^6*x*y^2 + 5*b^2*c^6*x*y^2 + c^8*x*y^2 - a^8*y^3 + 3*a^6*c^2*y^3 - 2*a^4*b^2*c^2*y^3 + a^2*b^4*c^2*y^3 - a^4*c^4*y^3 - 2*a^2*b^2*c^4*y^3 + 3*a^2*c^6*y^3 - c^8*y^3 + a^6*b^2*x^2*z - 2*a^4*b^4*x^2*z + 5*a^2*b^6*x^2*z + b^8*x^2*z - 3*a^4*b^2*c^2*x^2*z - 7*b^6*c^2*x^2*z - a^4*c^4*x^2*z + 9*a^2*b^2*c^4*x^2*z - 2*a^2*c^6*x^2*z - b^2*c^6*x^2*z + a^8*x*y*z - a^6*b^2*x*y*z + 10*a^4*b^4*x*y*z - a^2*b^6*x*y*z + b^8*x*y*z - a^6*c^2*x*y*z - 9*a^4*b^2*c^2*x*y*z - 9*a^2*b^4*c^2*x*y*z - b^6*c^2*x*y*z + 10*a^4*c^4*x*y*z - 9*a^2*b^2*c^4*x*y*z + 10*b^4*c^4*x*y*z - a^2*c^6*x*y*z - b^2*c^6*x*y*z + c^8*x*y*z + a^8*y^2*z + 5*a^6*b^2*y^2*z - 2*a^4*b^4*y^2*z + a^2*b^6*y^2*z - 7*a^6*c^2*y^2*z - 3*a^2*b^4*c^2*y^2*z + 9*a^2*b^2*c^4*y^2*z - b^4*c^4*y^2*z - a^2*c^6*y^2*z - 2*b^2*c^6*y^2*z - a^6*b^2*x*z^2 - 7*a^2*b^6*x*z^2 + b^8*x*z^2 - 2*a^6*c^2*x*z^2 + 9*a^4*b^2*c^2*x*z^2 + 5*b^6*c^2*x*z^2 - a^4*c^4*x*z^2 - 3*a^2*b^2*c^4*x*z^2 - 2*b^4*c^4*x*z^2 + b^2*c^6*x*z^2 + a^8*y*z^2 - 7*a^6*b^2*y*z^2 - a^2*b^6*y*z^2 + 5*a^6*c^2*y*z^2 + 9*a^2*b^4*c^2*y*z^2 - 2*b^6*c^2*y*z^2 - 2*a^4*c^4*y*z^2 - 3*a^2*b^2*c^4*y*z^2 - b^4*c^4*y*z^2 + a^2*c^6*y*z^2 - a^8*z^3 + 3*a^6*b^2*z^3 - a^4*b^4*z^3 + 3*a^2*b^6*z^3 - b^8*z^3 - 2*a^4*b^2*c^2*z^3 - 2*a^2*b^4*c^2*z^3 + a^2*b^2*c^4*z^3 = 0