The generator matrix

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

generates a code of length 5 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 2.

Homogenous weight enumerator: w(x)=1x^0+33x^2+318x^4+1344x^5+318x^6+33x^8+1x^10

The gray image is a code over GF(2) with n=40, k=11 and d=8.
This code was found by Heurico 1.16 in 1.05e-007 seconds.