N := 6;
X := v^2 + (u^2 + 1)*v + 1;
q := -u*v;
t := 4*u*v/(u^2*v^3 + 3*u^2*v^2 - v + 1);
E:=[0,t^2-2*q*t-2,0,-(t^2-1)*(q*t+1)^2,0];
P:=[(t+1)*(q*t+1),t*(q*t+1)*(t+1)];
Q:=[0,0];