The generator matrix

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

generates a code of length 64 over Z16 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+24x^60+192x^61+103x^62+896x^63+63x^64+512x^65+40x^68+192x^69+24x^70+1x^126

The gray image is a code over GF(2) with n=512, k=11 and d=240.
This code was found by Heurico 1.16 in 0.317 seconds.