f := 0 twith symmetries
f := Df *f*q2 + Df *f *q4 + Df *f *q5 + Df *Df*f*q1 + Df *f *q6
s 4x 3x x 2x 2x x x 3x
2
+ (Df) *f *q3 + Df*f *q7 + f *q8
x 4x 7x
SYSTEM & SYMMETRY DO NOT SATISFY MINIMAL REQUIREMENTS!