The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+58x^60+350x^61+254x^62+292x^63+145x^64+348x^65+253x^66+236x^67+51x^68+52x^69+1x^70+1x^76+2x^77+2x^78+1x^86+1x^90

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 0.238 seconds.