t0 = Z2+W2 C = W2*t0 t1 = Z3+W3 D = W3*t1 W4 = C^2 t2 = f*W2 t3 = e*Z2 t4 = t3+t2 t5 = t4^2 t6 = t5^2 Z4 = W4+t6 E = Z2*Z3 F = W2*W3 V = C*D t7 = ff*F t8 = ee*E t9 = t8+t7 t10 = t9^2 U = V+t10 t11 = U*W1 W5 = V+t11 Z5 = U