The generator matrix

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

generates a code of length 9 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+30x^6+64x^7+289x^8+256x^9+289x^10+64x^11+30x^12+1x^18

The gray image is a code over GF(2) with n=72, k=10 and d=24.
This code was found by Heurico 1.16 in 0 seconds.