The generator matrix

 1  0  1  2
 0  1 11  8
 0  0 12  4
 0  0  0  8

generates a code of length 4 over Z16 who´s minimum homogenous weight is 2.

Homogenous weight enumerator: w(x)=1x^0+68x^2+352x^3+1206x^4+352x^5+68x^6+1x^8

The gray image is a code over GF(2) with n=32, k=11 and d=8.
This code was found by Heurico 1.16 in 0.00035 seconds.