The generator matrix

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

generates a code of length 42 over Z2[X]/(X^2) who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+44x^38+80x^40+54x^42+30x^44+18x^46+15x^48+6x^50+2x^52+2x^54+4x^58

The gray image is a linear code over GF(2) with n=84, k=8 and d=38.
This code was found by Heurico 1.16 in 0.015 seconds.