The generator matrix

 1  1  1  1  2  2  2  1
 0  2  0 14  6 14  4  8
 0  0 12  4  8 12  4  0

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

Homogenous weight enumerator: w(x)=1x^0+48x^6+72x^7+289x^8+48x^9+40x^10+8x^11+6x^12

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 0.000896 seconds.