U = 2*Y1 V = U^2 W = U*V S = X1*V t0 = X1-ZZ1 t1 = X1+ZZ1 t2 = t0*t1 M = 3*t2 t3 = M^2 t4 = 2*S X3 = t3-t4 t5 = S-X3 t6 = W*Y1 t7 = M*t5 Y3 = t7-t6 ZZ3 = V*ZZ1 ZZZ3 = W*ZZZ1