The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  1  X  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  X  X  X  1  1  1  1  1
 0 X^3+X^2  0 X^2  0  0 X^2 X^3+X^2  0  0 X^2 X^3+X^2  0 X^2  0 X^3 X^3+X^2 X^3 X^3 X^3+X^2 X^3 X^2 X^3 X^3+X^2 X^3 X^2 X^3 X^3 X^3+X^2 X^2 X^3 X^3 X^3+X^2 X^2 X^2 X^2 X^3+X^2 X^2  0 X^3 X^3  0 X^3
 0  0 X^3+X^2 X^2  0 X^3+X^2 X^2  0 X^3 X^2 X^3+X^2 X^3 X^3 X^3+X^2 X^2 X^2 X^3 X^2 X^3 X^3+X^2 X^2 X^3 X^3 X^2 X^2  0  0 X^3+X^2 X^3+X^2  0  0 X^3+X^2 X^2 X^3 X^2 X^3+X^2  0  0  0 X^3 X^2 X^3+X^2 X^2
 0  0  0 X^3 X^3 X^3  0 X^3 X^3 X^3 X^3 X^3  0  0  0  0  0 X^3  0  0  0  0 X^3 X^3 X^3 X^3 X^3 X^3 X^3  0  0  0  0 X^3  0 X^3  0 X^3  0 X^3  0  0 X^3

generates a code of length 43 over Z2[X]/(X^4) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+13x^40+74x^41+16x^42+304x^43+18x^44+68x^45+14x^46+2x^49+1x^50+1x^74

The gray image is a linear code over GF(2) with n=344, k=9 and d=160.
This code was found by Heurico 1.16 in 0.063 seconds.