The generator matrix

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

generates a code of length 4 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 2.

Homogenous weight enumerator: w(x)=1x^0+8x^2+16x^3+206x^4+16x^5+8x^6+1x^8

The gray image is a code over GF(2) with n=32, k=8 and d=8.
This code was found by Heurico 1.16 in 3.62e-008 seconds.