The reduced degree 2 case. 0: 0 1 0 1; -1 1; -1 3 -2; -4 -6 -2 0 0: 0 Total nunmber of diagrams is: 1. Number of degrees of freedom is: 1. Total number of equations considered was: 0. Total number of row operations performed was: 0. Maximal equation length is: 0.