The generator matrix

 1  1  1  1  1  1  X  1
 0 2X  0  0  0  0 2X  0
 0  0 2X  0  0  0 2X  0
 0  0  0 2X  0  0 2X  0
 0  0  0  0 2X  0 2X  0
 0  0  0  0  0 2X 2X  0

generates a code of length 8 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 4.

Homogenous weight enumerator: w(x)=1x^0+15x^4+6x^6+32x^7+399x^8+32x^9+20x^10+1x^12+6x^14

The gray image is a code over GF(2) with n=64, k=9 and d=16.
This code was found by Heurico 1.16 in 1.05e-007 seconds.