The generator matrix

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

generates a code of length 21 over Z2[X]/(X^2) who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+57x^16+68x^18+141x^20+104x^22+106x^24+20x^26+10x^28+4x^32+1x^36

The gray image is a linear code over GF(2) with n=42, k=9 and d=16.
This code was found by Heurico 1.16 in 0.016 seconds.