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

generates a code of length 46 over Z2[X]/(X^2) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+10x^42+8x^43+18x^44+24x^45+14x^46+24x^47+7x^48+8x^49+6x^50+6x^52+1x^54+1x^86

The gray image is a linear code over GF(2) with n=92, k=7 and d=42.
This code was found by Heurico 1.16 in 0.0211 seconds.