The generator matrix

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

generates a code of length 48 over Z2[X]/(X^2) who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+42x^45+25x^46+25x^48+20x^53+6x^54+6x^56+2x^61+1x^62

The gray image is a linear code over GF(2) with n=96, k=7 and d=45.
This code was found by Heurico 1.16 in 11 seconds.