The generator matrix

 1  0  1  1  1  6  1  1 12  1  1 10  1  1  0  1  1  6  1  1 12  1  1 10  1  1  0  1  1 10  1  1  1  1 12  6  1  1  1  1  1  1  1  1  8 14  4  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  8  1  1
 0  1  3  6  5  1 12 15  1 10  9  1  0  3  1  6  5  1 12 15  1 10  9  1  0  3  1  6  9  1 12 15  5 14  1  1 10  8  4  2 11 13  7  1  1  1  1  1  0 14  8 14 12  2  4  2  8  6  4  2  8 14  4 10  0  0  0
 0  0  8  0  8  0  8  0  8  8  0  8  0  0  0  8  0  0  8  8  8  0  8  8  8  0  8  0  8  0  0  0  8  8  0  8  0  8  0  8  8  0  8  0  8  8  0  0  8  8  0  0  0  8  8  0  8  8  0  0  0  0  8  8  0  0  0
 0  0  0  8  8  8  8  0  0  0  8  8  8  8  8  8  0  0  0  8  8  0  0  0  8  0  0  0  8  8  8  8  0  0  0  8  8  0  0  8  8  8  0  0  8  0  8  0  0  8  8  0  0  0  8  8  8  0  8  0  0  8  0  8  0  0  0

generates a code of length 67 over Z16 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+63x^64+640x^66+62x^68+256x^70+2x^100

The gray image is a code over GF(2) with n=536, k=10 and d=256.
This code was found by Heurico 1.16 in 0.152 seconds.