The generator matrix 1 0 1 1 1 0 1 1 X 1 1 X 1 1 0 1 1 X 1 1 1 1 0 X X X 0 0 X X 0 1 1 0 1 1 0 1 1 0 X+1 1 X X+1 1 X 1 1 0 X+1 1 X 1 1 0 X+1 X 1 1 1 0 X X 0 0 X X 0 X+1 1 X 0 0 0 X X 0 X X X X 0 0 0 0 0 X 0 0 X X X X X 0 0 X X X X 0 0 0 0 0 X 0 X generates a code of length 36 over Z2[X]/(X^2) who´s minimum homogenous weight is 36. Homogenous weight enumerator: w(x)=1x^0+16x^36+12x^38+3x^40 The gray image is a linear code over GF(2) with n=72, k=5 and d=36. As d=36 is an upper bound for linear (72,5,2)-codes, this code is optimal over Z2[X]/(X^2) for dimension 5. This code was found by Heurico 1.16 in 0.00698 seconds.