The generator matrix
1 0 0 1 1 1 X 1 1 X 1 X 1 0 1 1 1 1 1 1 X 1 1 0 1 1 1 1 0 1 1 X 0 X 1 1
0 1 0 0 1 X+1 1 X X+1 1 0 0 1 1 X X X 0 0 1 1 X X+1 1 0 1 X+1 X+1 0 1 X X 1 1 X 0
0 0 1 1 X+1 0 X+1 1 X+1 X X 1 X 1 X+1 X+1 1 1 0 1 X+1 X X+1 X+1 X X+1 0 X 1 1 X 1 0 0 0 0
0 0 0 X X X 0 0 0 X X X 0 X X 0 X 0 X X X X X X 0 0 0 X X 0 0 X X X X 0
generates a code of length 36 over Z2[X]/(X^2) who´s minimum homogenous weight is 34.
Homogenous weight enumerator: w(x)=1x^0+62x^34+26x^36+20x^38+2x^40+14x^42+2x^44+1x^48
The gray image is a linear code over GF(2) with n=72, k=7 and d=34.
As d=34 is an upper bound for linear (72,7,2)-codes, this code is optimal over Z2[X]/(X^2) for dimension 7.
This code was found by Heurico 1.16 in 0.0344 seconds.