The generator matrix

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

generates a code of length 42 over Z2[X]/(X^2) who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+115x^36+180x^38+201x^40+142x^42+140x^44+78x^46+85x^48+42x^50+33x^52+6x^54+1x^56

The gray image is a linear code over GF(2) with n=84, k=10 and d=36.
This code was found by Heurico 1.16 in 0.0953 seconds.