f := 0 twith symmetries
2
f := Df *f*q1 + Df *f *q4 + Df *f *q8 + Df *(Df) *f*q2 + Df *f *q9
s 5x 4x x 3x 2x 2x 2x 3x
2 2 3
+ (Df ) *Df*f*q3 + Df *(Df) *f *q5 + Df *f *q10 + (Df) *f *q7
x x x x 4x 2x
+ Df*f *q11 + Df*f *f *f*q6
5x 2x x
SYSTEM & SYMMETRY DO NOT SATISFY MINIMAL REQUIREMENTS!