The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2 12  2  0  2 12  2  2  8  8  2  2  4  4
 0  2 12  6  0  6 12 10  8 14  4 10  8 14  4  2  6  2 10  2  6  2 10  2 14 14  2  2  2  2  2  2
 0  0  8  8  8  0  0  8  8  8  0  0  0  0  8  8  0  8  8  0  8  0  0  8  8  0  8  0  8  0  8  0

generates a code of length 32 over Z16 who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+253x^32+2x^48

The gray image is a code over GF(2) with n=256, k=8 and d=128.
This code was found by Heurico 1.16 in 0.0148 seconds.