The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  X  1  1  X  1  X  1  X  1  1  X  1  1  1  1
 0  X  0  0  0  0  0  0  0  0  X  X  0  0  0  X  0  0  0  0  X  X  X  X  0  X  X  X  X  X  X  0  X  0  X  0  0  X  X  0  0  0
 0  0  X  0  0  0  0  0  0  X  X  X  0  X  X  0  0  0  X  X  X  X  X  X  0  X  X  0  0  0  0  0  0  0  0  X  X  X  X  0  X  0
 0  0  0  X  0  0  0  0  0  X  0  X  X  X  0  X  0  X  X  0  0  0  0  0  X  0  X  X  X  0  X  X  0  X  0  0  X  0  0  0  X  X
 0  0  0  0  X  0  0  0  X  0  0  X  X  0  X  X  0  0  X  X  0  0  0  X  X  X  X  0  0  0  X  0  X  0  0  0  0  0  X  X  X  0
 0  0  0  0  0  X  0  0  X  0  X  0  0  X  X  X  0  X  X  0  0  0  0  X  X  0  0  X  0  X  0  X  0  0  0  X  X  X  0  X  X  X
 0  0  0  0  0  0  X  0  X  X  X  0  0  0  X  X  X  0  0  X  0  0  X  0  X  0  X  X  0  0  X  0  0  0  X  X  0  X  X  0  X  0
 0  0  0  0  0  0  0  X  X  X  0  0  X  X  X  0  X  0  X  0  0  X  X  0  0  0  X  X  0  X  0  X  0  X  0  0  0  X  X  X  0  0

generates a code of length 42 over Z2[X]/(X^2) who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+22x^34+45x^36+59x^38+91x^40+100x^42+79x^44+54x^46+25x^48+14x^50+11x^52+7x^54+2x^56+1x^60+1x^72

The gray image is a linear code over GF(2) with n=84, k=9 and d=34.
This code was found by Heurico 1.16 in 0.031 seconds.