The generator matrix

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

generates a code of length 12 over Z2[X]/(X^3) who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+19x^8+16x^9+65x^10+112x^11+90x^12+112x^13+58x^14+16x^15+18x^16+5x^18

The gray image is a linear code over GF(2) with n=48, k=9 and d=16.
This code was found by Heurico 1.16 in 0.00151 seconds.