The generator matrix

 1  1  1  1  X  0  1  1  1
 0  X  0 3X+2 3X+2  X 2X+2  2 2X
 0  0  2  0  0 2X 2X+2 2X 2X+2
 0  0  0 2X  0 2X 2X  0  0
 0  0  0  0 2X 2X  0  0 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+44x^6+80x^7+598x^8+608x^9+592x^10+80x^11+40x^12+4x^14+1x^16

The gray image is a code over GF(2) with n=72, k=11 and d=24.
This code was found by Heurico 1.16 in 0.016 seconds.