K139 :
a^18*x^2*y - 8*a^16*b^2*x^2*y + 28*a^14*b^4*x^2*y - 56*a^12*b^6*x^2*y + 70*a^10*b^8*x^2*y - 56*a^8*b^10*x^2*y + 28*a^6*b^12*x^2*y - 8*a^4*b^14*x^2*y + a^2*b^16*x^2*y + 6*a^14*b^2*c^2*x^2*y - 28*a^12*b^4*c^2*x^2*y + 51*a^10*b^6*c^2*x^2*y - 45*a^8*b^8*c^2*x^2*y + 20*a^6*b^10*c^2*x^2*y - 6*a^4*b^12*c^2*x^2*y + 3*a^2*b^14*c^2*x^2*y - b^16*c^2*x^2*y - 9*a^14*c^4*x^2*y + 29*a^12*b^2*c^4*x^2*y - 36*a^10*b^4*c^4*x^2*y + 21*a^8*b^6*c^4*x^2*y - 7*a^6*b^8*c^4*x^2*y + 9*a^4*b^10*c^4*x^2*y - 12*a^2*b^12*c^4*x^2*y + 5*b^14*c^4*x^2*y + 15*a^12*c^6*x^2*y - 41*a^10*b^2*c^6*x^2*y + 52*a^8*b^4*c^6*x^2*y - 36*a^6*b^6*c^6*x^2*y + 4*a^4*b^8*c^6*x^2*y + 16*a^2*b^10*c^6*x^2*y - 10*b^12*c^6*x^2*y - 9*a^10*c^8*x^2*y + 3*a^8*b^2*c^8*x^2*y - 7*a^6*b^4*c^8*x^2*y + 15*a^4*b^6*c^8*x^2*y - 12*a^2*b^8*c^8*x^2*y + 11*b^10*c^8*x^2*y + 9*a^8*c^10*x^2*y + 20*a^6*b^2*c^10*x^2*y - 18*a^4*b^4*c^10*x^2*y - 6*a^2*b^6*c^10*x^2*y - 10*b^8*c^10*x^2*y - 15*a^6*c^12*x^2*y - 5*a^4*b^2*c^12*x^2*y + 19*a^2*b^4*c^12*x^2*y + 11*b^6*c^12*x^2*y + 9*a^4*c^14*x^2*y - 9*a^2*b^2*c^14*x^2*y - 10*b^4*c^14*x^2*y + 5*b^2*c^16*x^2*y - c^18*x^2*y - a^16*b^2*x*y^2 + 8*a^14*b^4*x*y^2 - 28*a^12*b^6*x*y^2 + 56*a^10*b^8*x*y^2 - 70*a^8*b^10*x*y^2 + 56*a^6*b^12*x*y^2 - 28*a^4*b^14*x*y^2 + 8*a^2*b^16*x*y^2 - b^18*x*y^2 + a^16*c^2*x*y^2 - 3*a^14*b^2*c^2*x*y^2 + 6*a^12*b^4*c^2*x*y^2 - 20*a^10*b^6*c^2*x*y^2 + 45*a^8*b^8*c^2*x*y^2 - 51*a^6*b^10*c^2*x*y^2 + 28*a^4*b^12*c^2*x*y^2 - 6*a^2*b^14*c^2*x*y^2 - 5*a^14*c^4*x*y^2 + 12*a^12*b^2*c^4*x*y^2 - 9*a^10*b^4*c^4*x*y^2 + 7*a^8*b^6*c^4*x*y^2 - 21*a^6*b^8*c^4*x*y^2 + 36*a^4*b^10*c^4*x*y^2 - 29*a^2*b^12*c^4*x*y^2 + 9*b^14*c^4*x*y^2 + 10*a^12*c^6*x*y^2 - 16*a^10*b^2*c^6*x*y^2 - 4*a^8*b^4*c^6*x*y^2 + 36*a^6*b^6*c^6*x*y^2 - 52*a^4*b^8*c^6*x*y^2 + 41*a^2*b^10*c^6*x*y^2 - 15*b^12*c^6*x*y^2 - 11*a^10*c^8*x*y^2 + 12*a^8*b^2*c^8*x*y^2 - 15*a^6*b^4*c^8*x*y^2 + 7*a^4*b^6*c^8*x*y^2 - 3*a^2*b^8*c^8*x*y^2 + 9*b^10*c^8*x*y^2 + 10*a^8*c^10*x*y^2 + 6*a^6*b^2*c^10*x*y^2 + 18*a^4*b^4*c^10*x*y^2 - 20*a^2*b^6*c^10*x*y^2 - 9*b^8*c^10*x*y^2 - 11*a^6*c^12*x*y^2 - 19*a^4*b^2*c^12*x*y^2 + 5*a^2*b^4*c^12*x*y^2 + 15*b^6*c^12*x*y^2 + 10*a^4*c^14*x*y^2 + 9*a^2*b^2*c^14*x*y^2 - 9*b^4*c^14*x*y^2 - 5*a^2*c^16*x*y^2 + c^18*x*y^2 - a^18*x^2*z + 9*a^14*b^4*x^2*z - 15*a^12*b^6*x^2*z + 9*a^10*b^8*x^2*z - 9*a^8*b^10*x^2*z + 15*a^6*b^12*x^2*z - 9*a^4*b^14*x^2*z + b^18*x^2*z + 8*a^16*c^2*x^2*z - 6*a^14*b^2*c^2*x^2*z - 29*a^12*b^4*c^2*x^2*z + 41*a^10*b^6*c^2*x^2*z - 3*a^8*b^8*c^2*x^2*z - 20*a^6*b^10*c^2*x^2*z + 5*a^4*b^12*c^2*x^2*z + 9*a^2*b^14*c^2*x^2*z - 5*b^16*c^2*x^2*z - 28*a^14*c^4*x^2*z + 28*a^12*b^2*c^4*x^2*z + 36*a^10*b^4*c^4*x^2*z - 52*a^8*b^6*c^4*x^2*z + 7*a^6*b^8*c^4*x^2*z + 18*a^4*b^10*c^4*x^2*z - 19*a^2*b^12*c^4*x^2*z + 10*b^14*c^4*x^2*z + 56*a^12*c^6*x^2*z - 51*a^10*b^2*c^6*x^2*z - 21*a^8*b^4*c^6*x^2*z + 36*a^6*b^6*c^6*x^2*z - 15*a^4*b^8*c^6*x^2*z + 6*a^2*b^10*c^6*x^2*z - 11*b^12*c^6*x^2*z - 70*a^10*c^8*x^2*z + 45*a^8*b^2*c^8*x^2*z + 7*a^6*b^4*c^8*x^2*z - 4*a^4*b^6*c^8*x^2*z + 12*a^2*b^8*c^8*x^2*z + 10*b^10*c^8*x^2*z + 56*a^8*c^10*x^2*z - 20*a^6*b^2*c^10*x^2*z - 9*a^4*b^4*c^10*x^2*z - 16*a^2*b^6*c^10*x^2*z - 11*b^8*c^10*x^2*z - 28*a^6*c^12*x^2*z + 6*a^4*b^2*c^12*x^2*z + 12*a^2*b^4*c^12*x^2*z + 10*b^6*c^12*x^2*z + 8*a^4*c^14*x^2*z - 3*a^2*b^2*c^14*x^2*z - 5*b^4*c^14*x^2*z - a^2*c^16*x^2*z + b^2*c^16*x^2*z - 12*a^16*b^2*x*y*z + 48*a^14*b^4*x*y*z - 72*a^12*b^6*x*y*z + 60*a^10*b^8*x*y*z - 60*a^8*b^10*x*y*z + 72*a^6*b^12*x*y*z - 48*a^4*b^14*x*y*z + 12*a^2*b^16*x*y*z + 12*a^16*c^2*x*y*z - 84*a^12*b^4*c^2*x*y*z + 120*a^10*b^6*c^2*x*y*z - 120*a^6*b^10*c^2*x*y*z + 84*a^4*b^12*c^2*x*y*z - 12*b^16*c^2*x*y*z - 48*a^14*c^4*x*y*z + 84*a^12*b^2*c^4*x*y*z - 120*a^8*b^6*c^4*x*y*z + 120*a^6*b^8*c^4*x*y*z - 84*a^2*b^12*c^4*x*y*z + 48*b^14*c^4*x*y*z + 72*a^12*c^6*x*y*z - 120*a^10*b^2*c^6*x*y*z + 120*a^8*b^4*c^6*x*y*z - 120*a^4*b^8*c^6*x*y*z + 120*a^2*b^10*c^6*x*y*z - 72*b^12*c^6*x*y*z - 60*a^10*c^8*x*y*z - 120*a^6*b^4*c^8*x*y*z + 120*a^4*b^6*c^8*x*y*z + 60*b^10*c^8*x*y*z + 60*a^8*c^10*x*y*z + 120*a^6*b^2*c^10*x*y*z - 120*a^2*b^6*c^10*x*y*z - 60*b^8*c^10*x*y*z - 72*a^6*c^12*x*y*z - 84*a^4*b^2*c^12*x*y*z + 84*a^2*b^4*c^12*x*y*z + 72*b^6*c^12*x*y*z + 48*a^4*c^14*x*y*z - 48*b^4*c^14*x*y*z - 12*a^2*c^16*x*y*z + 12*b^2*c^16*x*y*z - a^18*y^2*z + 9*a^14*b^4*y^2*z - 15*a^12*b^6*y^2*z + 9*a^10*b^8*y^2*z - 9*a^8*b^10*y^2*z + 15*a^6*b^12*y^2*z - 9*a^4*b^14*y^2*z + b^18*y^2*z + 5*a^16*c^2*y^2*z - 9*a^14*b^2*c^2*y^2*z - 5*a^12*b^4*c^2*y^2*z + 20*a^10*b^6*c^2*y^2*z + 3*a^8*b^8*c^2*y^2*z - 41*a^6*b^10*c^2*y^2*z + 29*a^4*b^12*c^2*y^2*z + 6*a^2*b^14*c^2*y^2*z - 8*b^16*c^2*y^2*z - 10*a^14*c^4*y^2*z + 19*a^12*b^2*c^4*y^2*z - 18*a^10*b^4*c^4*y^2*z - 7*a^8*b^6*c^4*y^2*z + 52*a^6*b^8*c^4*y^2*z - 36*a^4*b^10*c^4*y^2*z - 28*a^2*b^12*c^4*y^2*z + 28*b^14*c^4*y^2*z + 11*a^12*c^6*y^2*z - 6*a^10*b^2*c^6*y^2*z + 15*a^8*b^4*c^6*y^2*z - 36*a^6*b^6*c^6*y^2*z + 21*a^4*b^8*c^6*y^2*z + 51*a^2*b^10*c^6*y^2*z - 56*b^12*c^6*y^2*z - 10*a^10*c^8*y^2*z - 12*a^8*b^2*c^8*y^2*z + 4*a^6*b^4*c^8*y^2*z - 7*a^4*b^6*c^8*y^2*z - 45*a^2*b^8*c^8*y^2*z + 70*b^10*c^8*y^2*z + 11*a^8*c^10*y^2*z + 16*a^6*b^2*c^10*y^2*z + 9*a^4*b^4*c^10*y^2*z + 20*a^2*b^6*c^10*y^2*z - 56*b^8*c^10*y^2*z - 10*a^6*c^12*y^2*z - 12*a^4*b^2*c^12*y^2*z - 6*a^2*b^4*c^12*y^2*z + 28*b^6*c^12*y^2*z + 5*a^4*c^14*y^2*z + 3*a^2*b^2*c^14*y^2*z - 8*b^4*c^14*y^2*z - a^2*c^16*y^2*z + b^2*c^16*y^2*z - a^16*b^2*x*z^2 + 5*a^14*b^4*x*z^2 - 10*a^12*b^6*x*z^2 + 11*a^10*b^8*x*z^2 - 10*a^8*b^10*x*z^2 + 11*a^6*b^12*x*z^2 - 10*a^4*b^14*x*z^2 + 5*a^2*b^16*x*z^2 - b^18*x*z^2 + a^16*c^2*x*z^2 + 3*a^14*b^2*c^2*x*z^2 - 12*a^12*b^4*c^2*x*z^2 + 16*a^10*b^6*c^2*x*z^2 - 12*a^8*b^8*c^2*x*z^2 - 6*a^6*b^10*c^2*x*z^2 + 19*a^4*b^12*c^2*x*z^2 - 9*a^2*b^14*c^2*x*z^2 - 8*a^14*c^4*x*z^2 - 6*a^12*b^2*c^4*x*z^2 + 9*a^10*b^4*c^4*x*z^2 + 4*a^8*b^6*c^4*x*z^2 + 15*a^6*b^8*c^4*x*z^2 - 18*a^4*b^10*c^4*x*z^2 - 5*a^2*b^12*c^4*x*z^2 + 9*b^14*c^4*x*z^2 + 28*a^12*c^6*x*z^2 + 20*a^10*b^2*c^6*x*z^2 - 7*a^8*b^4*c^6*x*z^2 - 36*a^6*b^6*c^6*x*z^2 - 7*a^4*b^8*c^6*x*z^2 + 20*a^2*b^10*c^6*x*z^2 - 15*b^12*c^6*x*z^2 - 56*a^10*c^8*x*z^2 - 45*a^8*b^2*c^8*x*z^2 + 21*a^6*b^4*c^8*x*z^2 + 52*a^4*b^6*c^8*x*z^2 + 3*a^2*b^8*c^8*x*z^2 + 9*b^10*c^8*x*z^2 + 70*a^8*c^10*x*z^2 + 51*a^6*b^2*c^10*x*z^2 - 36*a^4*b^4*c^10*x*z^2 - 41*a^2*b^6*c^10*x*z^2 - 9*b^8*c^10*x*z^2 - 56*a^6*c^12*x*z^2 - 28*a^4*b^2*c^12*x*z^2 + 29*a^2*b^4*c^12*x*z^2 + 15*b^6*c^12*x*z^2 + 28*a^4*c^14*x*z^2 + 6*a^2*b^2*c^14*x*z^2 - 9*b^4*c^14*x*z^2 - 8*a^2*c^16*x*z^2 + c^18*x*z^2 + a^18*y*z^2 - 5*a^16*b^2*y*z^2 + 10*a^14*b^4*y*z^2 - 11*a^12*b^6*y*z^2 + 10*a^10*b^8*y*z^2 - 11*a^8*b^10*y*z^2 + 10*a^6*b^12*y*z^2 - 5*a^4*b^14*y*z^2 + a^2*b^16*y*z^2 + 9*a^14*b^2*c^2*y*z^2 - 19*a^12*b^4*c^2*y*z^2 + 6*a^10*b^6*c^2*y*z^2 + 12*a^8*b^8*c^2*y*z^2 - 16*a^6*b^10*c^2*y*z^2 + 12*a^4*b^12*c^2*y*z^2 - 3*a^2*b^14*c^2*y*z^2 - b^16*c^2*y*z^2 - 9*a^14*c^4*y*z^2 + 5*a^12*b^2*c^4*y*z^2 + 18*a^10*b^4*c^4*y*z^2 - 15*a^8*b^6*c^4*y*z^2 - 4*a^6*b^8*c^4*y*z^2 - 9*a^4*b^10*c^4*y*z^2 + 6*a^2*b^12*c^4*y*z^2 + 8*b^14*c^4*y*z^2 + 15*a^12*c^6*y*z^2 - 20*a^10*b^2*c^6*y*z^2 + 7*a^8*b^4*c^6*y*z^2 + 36*a^6*b^6*c^6*y*z^2 + 7*a^4*b^8*c^6*y*z^2 - 20*a^2*b^10*c^6*y*z^2 - 28*b^12*c^6*y*z^2 - 9*a^10*c^8*y*z^2 - 3*a^8*b^2*c^8*y*z^2 - 52*a^6*b^4*c^8*y*z^2 - 21*a^4*b^6*c^8*y*z^2 + 45*a^2*b^8*c^8*y*z^2 + 56*b^10*c^8*y*z^2 + 9*a^8*c^10*y*z^2 + 41*a^6*b^2*c^10*y*z^2 + 36*a^4*b^4*c^10*y*z^2 - 51*a^2*b^6*c^10*y*z^2 - 70*b^8*c^10*y*z^2 - 15*a^6*c^12*y*z^2 - 29*a^4*b^2*c^12*y*z^2 + 28*a^2*b^4*c^12*y*z^2 + 56*b^6*c^12*y*z^2 + 9*a^4*c^14*y*z^2 - 6*a^2*b^2*c^14*y*z^2 - 28*b^4*c^14*y*z^2 + 8*b^2*c^16*y*z^2 - c^18*y*z^2 = 0