c; 3125 x^6+15000 x^5 y-1808 x^4 y^2+24000 x^4 y+179456 x^3 y^3+209280 x^3 y^2+108000 x^3 y+377600 x^2 y^4+937472 x^2 y^3+587328 x^2 y^2+32400 x^2 y-157696 x y^5-169984 x y^4+485376 x y^3+497664 x y^2+495616 y^6+90112 y^5-830464 y^4+24320 …