The generator matrix

1 0 0 1 1 1 0 1 1 X 1 X 1 X 1 1 1 1 0 1 0 X 1 X 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 X 0 0 1
0 1 0 0 1 1 1 X X+1 1 0 0 X+1 1 X 0 X X X 1 1 X X+1 1 1 X+1 0 0 1 X X+1 0 1 X X+1 0 1 0 X+1 X 1 1 0
0 0 1 1 X X+1 1 0 X 0 X+1 1 1 1 X 0 1 1 1 0 X 1 1 X+1 1 X 1 1 X X+1 0 X+1 0 0 X+1 X 1 X X+1 1 1 0 0
0 0 0 X 0 X X X X X 0 X 0 0 0 X 0 X 0 X 0 X X 0 0 0 X 0 X 0 X X 0 0 X 0 X X 0 0 0 X 0

generates a code of length 43 over Z2[X]/(X^2) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+15x^40+26x^41+16x^42+20x^43+12x^44+12x^45+12x^46+4x^47+4x^48+2x^49+3x^50+1x^58

The gray image is a linear code over GF(2) with n=86, k=7 and d=40.
This code was found by Heurico 1.10 in 0 seconds.