The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+102x^60+640x^61+642x^62+734x^63+492x^64+452x^65+303x^66+258x^67+111x^68+172x^69+93x^70+76x^71+14x^72+4x^73+2x^82

The gray image is a code over GF(2) with n=512, k=12 and d=240.
This code was found by Heurico 1.16 in 0.25 seconds.