The generator matrix

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

generates a code of length 9 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+7x^8+112x^9+7x^10+1x^18

The gray image is a code over GF(2) with n=72, k=7 and d=32.
This code was found by Heurico 1.16 in 3.81e-009 seconds.