The generator matrix

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

generates a code of length 66 over Z16 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+4x^64+142x^65+11x^66+44x^67+11x^68+30x^69+5x^70+8x^71

The gray image is a code over GF(2) with n=528, k=8 and d=256.
This code was found by Heurico 1.16 in 0.207 seconds.