N=2,   # of fermion fields: 1,   # of boson fields: 0
weight(t)=7,   weight(s)=10,   fermion weights={3},   boson weights={}

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Problem

Find equations 

f  := 0
 t
with symmetries 
f  := D f  *f*q1 + D f  *D D f*q11 + D f  *f *q16 + D f *D f*f*q5
 s     2 3x         2 2x  1 2         2 2x  x        2 x  2

                                                               2
       + D f *D D f *q18 + D f *D f*f*q6 + D f *f  *q20 + (D f) *D D f*q7
          2 x  1 2 x        2 x  1          2 x  2x         2     1 2

              2
       + (D f) *f *q12 + D f*D D f  *q23 + D f*D D f*D f*q8 + D f*D f *f*q3
           2     x        2   1 2 2x        2   1 2   1        2   1 x

       + D f*D f*f *q13 + D f*f  *q21 + D D f  *q26 + D D f  *D f*q24
          2   1   x        2   3x        1 2 4x        1 2 2x  1

                                                        2
       + D D f *D f *q17 + D D f*D f  *q10 + D D f*(D f) *q9 - D D f*f *f*q25
          1 2 x  1 x        1 2   1 2x        1 2    1          1 2   x

       + D f  *f*q2 + D f  *f *q15 + D f *D f*f*q4 + D f *f  *q19
          1 3x         1 2x  x        1 x  1          1 x  2x

              2
       + (D f) *f *q14 + D f*f  *q22 + f  *q27
           1     x        1   3x        5x
SYSTEM & SYMMETRY DO NOT SATISFY MINIMAL REQUIREMENTS!