The generator matrix

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

generates a code of length 8 over Z2[X]/(X^4) who´s minimum homogenous weight is 5.

Homogenous weight enumerator: w(x)=1x^0+42x^5+537x^6+1496x^7+4045x^8+1492x^9+534x^10+40x^11+2x^12+2x^13+1x^14

The gray image is a linear code over GF(2) with n=64, k=13 and d=20.
This code was found by Heurico 1.16 in 0.063 seconds.