K543 :
-a^18*x^2*y + 2*a^16*b^2*x^2*y + 11*a^14*b^4*x^2*y -   49*a^12*b^6*x^2*y + 77*a^10*b^8*x^2*y - 49*a^8*b^10*x^2*y -   7*a^6*b^12*x^2*y + 29*a^4*b^14*x^2*y - 16*a^2*b^16*x^2*y +   3*b^18*x^2*y +   3*a^16*c^2*x^2*y - 20*a^14*b^2*c^2*x^2*y + 38*a^12*b^4*c^2*x^2*y +   6*a^10*b^6*c^2*x^2*y - 110*a^8*b^8*c^2*x^2*y +   152*a^6*b^10*c^2*x^2*y -   90*a^4*b^12*c^2*x^2*y + 22*a^2*b^14*c^2*x^2*y -   b^16*c^2*x^2*y + 27*a^12*b^2*c^4*x^2*y - 123*a^10*b^4*c^4*x^2*y +   204*a^8*b^6*c^4*x^2*y - 126*a^6*b^8*c^4*x^2*y -   21*a^4*b^10*c^4*x^2*y +   57*a^2*b^12*c^4*x^2*y - 18*b^14*c^4*x^2*y -   9*a^12*c^6*x^2*y + 26*a^10*b^2*c^6*x^2*y + 11*a^8*b^4*c^6*x^2*y -   144*a^6*b^6*c^6*x^2*y + 209*a^4*b^8*c^6*x^2*y - 106*a^2*b^10*c^6*x^2*y +   13*b^12*c^6*x^2*y + 12*a^10*c^8*x^2*y -   47*a^8*b^2*c^8*x^2*y + 137*a^6*b^4*c^8*x^2*y -   117*a^4*b^6*c^8*x^2*y -   17*a^2*b^8*c^8*x^2*y + 32*b^10*c^8*x^2*y - 9*a^8*c^10*x^2*y -   24*a^6*b^2*c^10*x^2*y - 48*a^4*b^4*c^10*x^2*y +   114*a^2*b^6*c^10*x^2*y - 33*b^8*c^10*x^2*y + 12*a^6*c^12*x^2*y +   53*a^4*b^2*c^12*x^2*y - 49*a^2*b^4*c^12*x^2*y - 14*b^6*c^12*x^2*y -   15*a^4*c^14*x^2*y - 14*a^2*b^2*c^14*x^2*y + 23*b^4*c^14*x^2*y +   9*a^2*c^16*x^2*y - 3*b^2*c^16*x^2*y - 2*c^18*x^2*y -   3*a^18*x*y^2 +   16*a^16*b^2*x*y^2 - 29*a^14*b^4*x*y^2 + 7*a^12*b^6*x*y^2 +   49*a^10*b^8*x*y^2 - 77*a^8*b^10*x*y^2 + 49*a^6*b^12*x*y^2 -   11*a^4*b^14*x*y^2 - 2*a^2*b^16*x*y^2 + b^18*x*y^2 + a^16*c^2*x*y^2 -   22*a^14*b^2*c^2*x*y^2 + 90*a^12*b^4*c^2*x*y^2 - 152*a^10*b^6*c^2*x*y^2 +   110*a^8*b^8*c^2*x*y^2 - 6*a^6*b^10*c^2*x*y^2 -   38*a^4*b^12*c^2*x*y^2 + 20*a^2*b^14*c^2*x*y^2 - 3*b^16*c^2*x*y^2 +   18*a^14*c^4*x*y^2 - 57*a^12*b^2*c^4*x*y^2 + 21*a^10*b^4*c^4*x*y^2 +   126*a^8*b^6*c^4*x*y^2 - 204*a^6*b^8*c^4*x*y^2 +   123*a^4*b^10*c^4*x*y^2 - 27*a^2*b^12*c^4*x*y^2 - 13*a^12*c^6*x*y^2 +   106*a^10*b^2*c^6*x*y^2 - 209*a^8*b^4*c^6*x*y^2 + 144*a^6*b^6*c^6*x*y^2 -   11*a^4*b^8*c^6*x*y^2 - 26*a^2*b^10*c^6*x*y^2 +   9*b^12*c^6*x*y^2 - 32*a^10*c^8*x*y^2 + 17*a^8*b^2*c^8*x*y^2 +   117*a^6*b^4*c^8*x*y^2 - 137*a^4*b^6*c^8*x*y^2 + 47*a^2*b^8*c^8*x*y^2 -   12*b^10*c^8*x*y^2 + 33*a^8*c^10*x*y^2 - 114*a^6*b^2*c^10*x*y^2 +   48*a^4*b^4*c^10*x*y^2 + 24*a^2*b^6*c^10*x*y^2 + 9*b^8*c^10*x*y^2 +   14*a^6*c^12*x*y^2 + 49*a^4*b^2*c^12*x*y^2 - 53*a^2*b^4*c^12*x*y^2 -   12*b^6*c^12*x*y^2 - 23*a^4*c^14*x*y^2 + 14*a^2*b^2*c^14*x*y^2 +   15*b^4*c^14*x*y^2 + 3*a^2*c^16*x*y^2 - 9*b^2*c^16*x*y^2 +   2*c^18*x*y^2 + a^18*x^2*z - 3*a^16*b^2*x^2*z + 9*a^12*b^6*x^2*z -   12*a^10*b^8*x^2*z + 9*a^8*b^10*x^2*z - 12*a^6*b^12*x^2*z +   15*a^4*b^14*x^2*z - 9*a^2*b^16*x^2*z + 2*b^18*x^2*z -   2*a^16*c^2*x^2*z + 20*a^14*b^2*c^2*x^2*z - 27*a^12*b^4*c^2*x^2*z -   26*a^10*b^6*c^2*x^2*z + 47*a^8*b^8*c^2*x^2*z + 24*a^6*b^10*c^2*x^2*z -   53*a^4*b^12*c^2*x^2*z + 14*a^2*b^14*c^2*x^2*z + 3*b^16*c^2*x^2*z -   11*a^14*c^4*x^2*z - 38*a^12*b^2*c^4*x^2*z + 123*a^10*b^4*c^4*x^2*z -   11*a^8*b^6*c^4*x^2*z - 137*a^6*b^8*c^4*x^2*z +   48*a^4*b^10*c^4*x^2*z + 49*a^2*b^12*c^4*x^2*z -   23*b^14*c^4*x^2*z +   49*a^12*c^6*x^2*z - 6*a^10*b^2*c^6*x^2*z - 204*a^8*b^4*c^6*x^2*z +   144*a^6*b^6*c^6*x^2*z + 117*a^4*b^8*c^6*x^2*z -   114*a^2*b^10*c^6*x^2*z + 14*b^12*c^6*x^2*z - 77*a^10*c^8*x^2*z +   110*a^8*b^2*c^8*x^2*z + 126*a^6*b^4*c^8*x^2*z -   209*a^4*b^6*c^8*x^2*z +   17*a^2*b^8*c^8*x^2*z + 33*b^10*c^8*x^2*z +   49*a^8*c^10*x^2*z - 152*a^6*b^2*c^10*x^2*z + 21*a^4*b^4*c^10*x^2*z +   106*a^2*b^6*c^10*x^2*z - 32*b^8*c^10*x^2*z + 7*a^6*c^12*x^2*z +   90*a^4*b^2*c^12*x^2*z - 57*a^2*b^4*c^12*x^2*z -   13*b^6*c^12*x^2*z - 29*a^4*c^14*x^2*z - 22*a^2*b^2*c^14*x^2*z +   18*b^4*c^14*x^2*z + 16*a^2*c^16*x^2*z + b^2*c^16*x^2*z -   3*c^18*x^2*z -   2*a^18*y^2*z + 9*a^16*b^2*y^2*z - 15*a^14*b^4*y^2*z +   12*a^12*b^6*y^2*z - 9*a^10*b^8*y^2*z + 12*a^8*b^10*y^2*z -   9*a^6*b^12*y^2*z + 3*a^2*b^16*y^2*z - b^18*y^2*z - 3*a^16*c^2*y^2*z -   14*a^14*b^2*c^2*y^2*z + 53*a^12*b^4*c^2*y^2*z -   24*a^10*b^6*c^2*y^2*z - 47*a^8*b^8*c^2*y^2*z +   26*a^6*b^10*c^2*y^2*z +   27*a^4*b^12*c^2*y^2*z - 20*a^2*b^14*c^2*y^2*z + 2*b^16*c^2*y^2*z +   23*a^14*c^4*y^2*z - 49*a^12*b^2*c^4*y^2*z -   48*a^10*b^4*c^4*y^2*z + 137*a^8*b^6*c^4*y^2*z +   11*a^6*b^8*c^4*y^2*z -   123*a^4*b^10*c^4*y^2*z + 38*a^2*b^12*c^4*y^2*z + 11*b^14*c^4*y^2*z -   14*a^12*c^6*y^2*z + 114*a^10*b^2*c^6*y^2*z -   117*a^8*b^4*c^6*y^2*z - 144*a^6*b^6*c^6*y^2*z +   204*a^4*b^8*c^6*y^2*z + 6*a^2*b^10*c^6*y^2*z - 49*b^12*c^6*y^2*z -   33*a^10*c^8*y^2*z - 17*a^8*b^2*c^8*y^2*z + 209*a^6*b^4*c^8*y^2*z -   126*a^4*b^6*c^8*y^2*z - 110*a^2*b^8*c^8*y^2*z +   77*b^10*c^8*y^2*z +   32*a^8*c^10*y^2*z - 106*a^6*b^2*c^10*y^2*z - 21*a^4*b^4*c^10*y^2*z +   152*a^2*b^6*c^10*y^2*z - 49*b^8*c^10*y^2*z +   13*a^6*c^12*y^2*z + 57*a^4*b^2*c^12*y^2*z -   90*a^2*b^4*c^12*y^2*z -   7*b^6*c^12*y^2*z - 18*a^4*c^14*y^2*z + 22*a^2*b^2*c^14*y^2*z +   29*b^4*c^14*y^2*z - a^2*c^16*y^2*z - 16*b^2*c^16*y^2*z +   3*c^18*y^2*z + 3*a^18*x*z^2 - a^16*b^2*x*z^2 - 18*a^14*b^4*x*z^2 +   13*a^12*b^6*x*z^2 + 32*a^10*b^8*x*z^2 - 33*a^8*b^10*x*z^2 -   14*a^6*b^12*x*z^2 + 23*a^4*b^14*x*z^2 - 3*a^2*b^16*x*z^2 -   2*b^18*x*z^2 - 16*a^16*c^2*x*z^2 + 22*a^14*b^2*c^2*x*z^2 +   57*a^12*b^4*c^2*x*z^2 - 106*a^10*b^6*c^2*x*z^2 -   17*a^8*b^8*c^2*x*z^2 +   114*a^6*b^10*c^2*x*z^2 - 49*a^4*b^12*c^2*x*z^2 -   14*a^2*b^14*c^2*x*z^2 + 9*b^16*c^2*x*z^2 + 29*a^14*c^4*x*z^2 -   90*a^12*b^2*c^4*x*z^2 - 21*a^10*b^4*c^4*x*z^2 +   209*a^8*b^6*c^4*x*z^2 -   117*a^6*b^8*c^4*x*z^2 - 48*a^4*b^10*c^4*x*z^2 +   53*a^2*b^12*c^4*x*z^2 - 15*b^14*c^4*x*z^2 - 7*a^12*c^6*x*z^2 +   152*a^10*b^2*c^6*x*z^2 - 126*a^8*b^4*c^6*x*z^2 - 144*a^6*b^6*c^6*x*z^2 +   137*a^4*b^8*c^6*x*z^2 - 24*a^2*b^10*c^6*x*z^2 +   12*b^12*c^6*x*z^2 - 49*a^10*c^8*x*z^2 - 110*a^8*b^2*c^8*x*z^2 +   204*a^6*b^4*c^8*x*z^2 + 11*a^4*b^6*c^8*x*z^2 - 47*a^2*b^8*c^8*x*z^2 -   9*b^10*c^8*x*z^2 + 77*a^8*c^10*x*z^2 + 6*a^6*b^2*c^10*x*z^2 -   123*a^4*b^4*c^10*x*z^2 + 26*a^2*b^6*c^10*x*z^2 + 12*b^8*c^10*x*z^2 -   49*a^6*c^12*x*z^2 + 38*a^4*b^2*c^12*x*z^2 + 27*a^2*b^4*c^12*x*z^2 -   9*b^6*c^12*x*z^2 + 11*a^4*c^14*x*z^2 -   20*a^2*b^2*c^14*x*z^2 + 2*a^2*c^16*x*z^2 + 3*b^2*c^16*x*z^2 -   c^18*x*z^2 + 2*a^18*y*z^2 + 3*a^16*b^2*y*z^2 - 23*a^14*b^4*y*z^2 +   14*a^12*b^6*y*z^2 + 33*a^10*b^8*y*z^2 - 32*a^8*b^10*y*z^2 -   13*a^6*b^12*y*z^2 + 18*a^4*b^14*y*z^2 + a^2*b^16*y*z^2 -   3*b^18*y*z^2 - 9*a^16*c^2*y*z^2 + 14*a^14*b^2*c^2*y*z^2 +   49*a^12*b^4*c^2*y*z^2 - 114*a^10*b^6*c^2*y*z^2 +   17*a^8*b^8*c^2*y*z^2 +   106*a^6*b^10*c^2*y*z^2 - 57*a^4*b^12*c^2*y*z^2 -   22*a^2*b^14*c^2*y*z^2 + 16*b^16*c^2*y*z^2 + 15*a^14*c^4*y*z^2 -   53*a^12*b^2*c^4*y*z^2 + 48*a^10*b^4*c^4*y*z^2 +   117*a^8*b^6*c^4*y*z^2 -   209*a^6*b^8*c^4*y*z^2 + 21*a^4*b^10*c^4*y*z^2 +   90*a^2*b^12*c^4*y*z^2 - 29*b^14*c^4*y*z^2 - 12*a^12*c^6*y*z^2 +   24*a^10*b^2*c^6*y*z^2 - 137*a^8*b^4*c^6*y*z^2 +   144*a^6*b^6*c^6*y*z^2 +   126*a^4*b^8*c^6*y*z^2 - 152*a^2*b^10*c^6*y*z^2 +   7*b^12*c^6*y*z^2 +   9*a^10*c^8*y*z^2 + 47*a^8*b^2*c^8*y*z^2 - 11*a^6*b^4*c^8*y*z^2 -   204*a^4*b^6*c^8*y*z^2 + 110*a^2*b^8*c^8*y*z^2 +   49*b^10*c^8*y*z^2 - 12*a^8*c^10*y*z^2 - 26*a^6*b^2*c^10*y*z^2 +   123*a^4*b^4*c^10*y*z^2 - 6*a^2*b^6*c^10*y*z^2 - 77*b^8*c^10*y*z^2 +   9*a^6*c^12*y*z^2 - 27*a^4*b^2*c^12*y*z^2 - 38*a^2*b^4*c^12*y*z^2 +   49*b^6*c^12*y*z^2 + 20*a^2*b^2*c^14*y*z^2 - 11*b^4*c^14*y*z^2 -   3*a^2*c^16*y*z^2 - 2*b^2*c^16*y*z^2 + c^18*y*z^2 = 0