The generator matrix

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

generates a code of length 23 over Z2[X]/(X^2) who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+125x^18+198x^20+207x^22+196x^24+155x^26+110x^28+25x^30+7x^32

The gray image is a linear code over GF(2) with n=46, k=10 and d=18.
This code was found by Heurico 1.16 in 0.052 seconds.