The generator matrix

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

generates a code of length 6 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 2.

Homogenous weight enumerator: w(x)=1x^0+36x^2+48x^3+135x^4+720x^5+2216x^6+720x^7+135x^8+48x^9+36x^10+1x^12

The gray image is a code over GF(2) with n=48, k=12 and d=8.
This code was found by Heurico 1.16 in 1.05e-007 seconds.