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  1  1  1  1  1  1  1  X  1  0 X^2
 0  X  0  X  0  0 X^2+X X^2+X  0  0  X X^2+X  0  0 X^2+X  X  0  X X^2 X^2+X X^2 X^2+X X^2 X^2+X  0 X^2  X X^2+X  0 X^2  X  X X^2  0  X  X X^2  X  X X^2  0 X^2+X X^2+X X^2 X^2 X^2+X X^2+X X^2 X^2  0  0
 0  0  X  X  0 X^2+X X^2+X  0  0 X^2+X  X  0  0  X X^2+X  0 X^2 X^2+X  X  0 X^2 X^2+X X^2+X  0 X^2  X X^2+X X^2 X^2  X  0  X  0 X^2+X X^2 X^2+X X^2+X X^2  X  0 X^2+X X^2  X X^2  0 X^2+X X^2  X X^2+X  X X^2
 0  0  0 X^2  0  0 X^2  0 X^2 X^2  0 X^2 X^2 X^2  0 X^2 X^2 X^2  0  0  0  0 X^2 X^2 X^2  0  0 X^2  0 X^2  0 X^2 X^2  0 X^2 X^2 X^2  0  0  0 X^2  0  0  0 X^2 X^2 X^2  0  0  0  0
 0  0  0  0 X^2 X^2 X^2 X^2 X^2 X^2  0 X^2  0  0 X^2  0  0  0  0  0  0  0  0  0 X^2 X^2 X^2 X^2 X^2 X^2 X^2 X^2 X^2  0 X^2 X^2 X^2  0 X^2 X^2  0 X^2  0 X^2  0  0  0  0  0  0  0

generates a code of length 51 over Z2[X]/(X^3) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+82x^48+64x^49+64x^50+128x^51+40x^52+64x^53+32x^54+36x^56+1x^96

The gray image is a linear code over GF(2) with n=204, k=9 and d=96.
This code was found by Heurico 1.16 in 0.087 seconds.