4 4*n n 3 2*n 2 3*n 3 4 3*n 4*n n 3 4*n 3*n 4 n 2 4 2*n 2 4*n 2*n 3*n n 2*n 2 n 3 3*n 3*n n 3 n 3 2*n 2 3*n 3 n 3 3*n 2 n 3 2*n 2 2*n 2 2*n 2 3*n 2*n
y + 16*x + 8*x *y + 24*x *y + 32*y*x - x *y *y - 48*x*x *y - 16*x *x *y - 3*x*y *y + 3*x *y *y + 48*x *x *y - 96*x*y*x *y - 72*x*x *y *y - 32*y*x *x *y - 24*x*x *y *y - 24*x *x *y *y - 8*x *x *y *y + 24*x *x *y *y + 72*x *x *y *y + 96*y*x *x *y
$$- 16 x^{3} x^{4 n} y^{3 n} - 32 x^{3} x^{3 n} y y^{3 n} - 24 x^{3} x^{2 n} y^{2} y^{3 n} - 8 x^{3} x^{n} y^{3} y^{3 n} - x^{3} y^{4} y^{3 n} + 48 x^{2} x^{4 n} y^{2 n} + 96 x^{2} x^{3 n} y y^{2 n} + 72 x^{2} x^{2 n} y^{2} y^{2 n} + 24 x^{2} x^{n} y^{3} y^{2 n} + 3 x^{2} y^{4} y^{2 n} - 48 x x^{4 n} y^{n} - 96 x x^{3 n} y y^{n} - 72 x x^{2 n} y^{2} y^{n} - 24 x x^{n} y^{3} y^{n} - 3 x y^{4} y^{n} + 16 x^{4 n} + 32 x^{3 n} y + 24 x^{2 n} y^{2} + 8 x^{n} y^{3} + y^{4}$$
y^4 + 16*x^(4*n) + 8*x^n*y^3 + 24*x^(2*n)*y^2 + 32*y*x^(3*n) - x^3*y^4*y^(3*n) - 48*x*x^(4*n)*y^n - 16*x^3*x^(4*n)*y^(3*n) - 3*x*y^4*y^n + 3*x^2*y^4*y^(2*n) + 48*x^2*x^(4*n)*y^(2*n) - 96*x*y*x^(3*n)*y^n - 72*x*x^(2*n)*y^2*y^n - 32*y*x^3*x^(3*n)*y^(3*n) - 24*x*x^n*y^3*y^n - 24*x^3*x^(2*n)*y^2*y^(3*n) - 8*x^3*x^n*y^3*y^(3*n) + 24*x^2*x^n*y^3*y^(2*n) + 72*x^2*x^(2*n)*y^2*y^(2*n) + 96*y*x^2*x^(3*n)*y^(2*n)