The generator matrix

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

generates a code of length 45 over Z2[X]/(X^2) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+156x^40+151x^44+140x^48+46x^52+12x^56+3x^60+3x^64

The gray image is a linear code over GF(2) with n=90, k=9 and d=40.
This code was found by Heurico 1.16 in 0.157 seconds.