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

generates a code of length 34 over Z2[X]/(X^2) who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+78x^28+32x^30+58x^32+192x^34+42x^36+32x^38+66x^40+7x^44+3x^48+1x^60

The gray image is a linear code over GF(2) with n=68, k=9 and d=28.
This code was found by Heurico 1.16 in 86.6 seconds.