The generator matrix

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

generates a code of length 27 over Z2[X]/(X^2) who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+29x^20+36x^22+95x^24+106x^26+82x^28+98x^30+39x^32+14x^34+7x^36+2x^38+1x^40+2x^44

The gray image is a linear code over GF(2) with n=54, k=9 and d=20.
This code was found by Heurico 1.16 in 0.0187 seconds.