The degree 3 case. 0: 0 0 1 1 2 2; 0 0; -5 12 -9 2; -40 -48 -18 -2; 0; 0 0 1: 0 0 1 2 1 2; 0 0; -4 9 -7 2; -32 -36 -14 -2; 0; -1 0 2: 0 0 1 2 2 1; 0 0; -5 12 -9 2; -40 -48 -18 -2; 0; 0 0 3: 0 1 0 2 1 2; 1 -1; -2 1 3 -2; -16 -4 6 2; 0; -2 0 4: 0 1 2 0 1 2; 2 -2; 0 -7 13 -6; 0 28 26 6; 0; -3 0 Total number of equations considered was: 6. Total number of row operations performed was: 4. Maximal equation length is: 3. 0 1 2 3 4 0:-1 0 1 0 0 1: 0-1 0 2-1 2: 0 0 0 0 0 3: 0 0 0 0 0 4: 0 0 0 0 0 2; 0: -1, 2: 1, 3; 1: -1, 3: 2, 4: -1, 0; 0; 0; Total nunmber of diagrams is: 5. Number of degrees of freedom is: 3.