The generator matrix

 1  1  1  1  1  1  1  1
 0 12  0  4  8  8 12  4
 0  0  8  0  8  0  8  8

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

Homogenous weight enumerator: w(x)=1x^0+126x^8+1x^16

The gray image is a code over GF(2) with n=64, k=7 and d=32.
This code was found by Heurico 1.16 in 0.000441 seconds.