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

generates a code of length 65 over Z16 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+296x^60+56x^61+438x^62+356x^63+643x^64+720x^65+514x^66+344x^67+376x^68+56x^69+166x^70+4x^71+84x^72+30x^74+7x^76+4x^78+1x^108

The gray image is a code over GF(2) with n=520, k=12 and d=240.
This code was found by Heurico 1.16 in 0.541 seconds.