The generator matrix

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

generates a code of length 13 over Z2[X]/(X^3) who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+13x^10+42x^11+20x^12+112x^13+15x^14+36x^15+11x^16+3x^18+2x^19+1x^22

The gray image is a linear code over GF(2) with n=52, k=8 and d=20.
This code was found by Heurico 1.16 in 0.00129 seconds.