The generator matrix

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

generates a code of length 74 over Z2[X]/(X^2) who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+74x^68+80x^70+112x^72+60x^74+64x^76+28x^78+41x^80+20x^82+20x^84+4x^86+4x^88+1x^92+2x^104+1x^108

The gray image is a linear code over GF(2) with n=148, k=9 and d=68.
This code was found by Heurico 1.16 in 0.11 seconds.