The reduced degree 4 case.

    0:  0   1   2   3   0   1   2   3 
    1:  0   1   2   0   3   2   1   3 
    2:  0   1   2   0   3   1   2   3 
    3:  0   1   0   2   3   1   3   2 
    4:  0   1   0   2   3   1   2   3 
    5:  0   1   0   2   1   3   2   3 
    6:  0   1   0   1   2   3   2   3 

Total number of equations considered was:    15.
Total number of row operations performed was:     10.
Maximal equation length is:   3.

    0 1 2 3 4 5 6
 0:-1 0 1 0 1 0 0
 1: 0 1-1 1 0 0 0
 2: 0 0 0 0 0 0 0
 3: 0 0 0 1-1 1 0
 4: 0 0 0 0-1 2-1
 5: 0 0 0 0 0 0 0
 6: 0 0 0 0 0 0 0

   3 ;   0 :  -1 ,   2 :   1 ,   4 :   1 ,
   3 ;   1 :   1 ,   2 :  -1 ,   3 :   1 ,
   0 ;
   3 ;   3 :   1 ,   4 :  -1 ,   5 :   1 ,
   3 ;   4 :  -1 ,   5 :   2 ,   6 :  -1 ,
   0 ;
   0 ;

Total nunmber of diagrams is:      7.
Number of degrees of freedom is:   3.
