The generator matrix

 1  1  1  1  1  1  1  1  2  2  2  1
 0  2  0  2  8 12 10  6  4 12  0  8
 0  0  2  2  0  2  6  4  2 10  6  8
 0  0  0  4  4 12  8  4  8  0  8  0

generates a code of length 12 over Z16 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+21x^8+168x^9+261x^10+736x^11+1750x^12+720x^13+234x^14+160x^15+36x^16+8x^17+1x^18

The gray image is a code over GF(2) with n=96, k=12 and d=32.
This code was found by Heurico 1.16 in 0.0251 seconds.