The generator matrix

 1  1  1  1  1  2  1  2
 0  2 12  6  0  6 12  6
 0  0  8  0  0  8  0  8
 0  0  0  8  8  8  0  0

generates a code of length 8 over Z16 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+57x^6+32x^7+333x^8+32x^9+54x^10+2x^12+1x^14

The gray image is a code over GF(2) with n=64, k=9 and d=24.
This code was found by Heurico 1.16 in 0.0015 seconds.