m := 2;
n := 2;
g := 0;
F := Rationals();
R<u,v>:=PolynomialRing(F,2);
X := u;
b := (16*v^2-1)/16;
E := [1,-b,-b,0,0];
P := [-(4*v+1)/8,(16*v^2+8*v+1)/32];
Q := [R!0,0];