The generator matrix 1 0 1 1 1 0 1 1 X 1 1 X 1 1 0 1 1 0 1 1 X 1 1 X 1 1 1 1 1 1 1 1 X X 0 0 0 X 0 X X X 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 X+1 1 X X+1 1 X 1 1 0 X+1 1 0 X+1 1 X 1 1 X 1 1 0 0 X X X+1 X+1 1 1 0 X X 0 1 1 1 1 0 X X 0 0 X X X+1 X+1 1 1 0 X 0 X 0 0 X X 0 X X X X 0 0 0 0 0 X X X 0 X X X 0 0 0 0 X X 0 0 X X 0 X X X X 0 0 X X 0 0 0 0 X X 0 0 X X 0 0 0 X X generates a code of length 55 over Z2[X]/(X^2) who´s minimum homogenous weight is 56. Homogenous weight enumerator: w(x)=1x^0+29x^56+1x^64+1x^72 The gray image is a linear code over GF(2) with n=110, k=5 and d=56. As d=56 is an upper bound for linear (110,5,2)-codes, this code is optimal over Z2[X]/(X^2) for dimension 5. This code was found by Heurico 1.16 in 0.0215 seconds.