The generator matrix

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

generates a code of length 65 over Z16 who´s minimum homogenous weight is 59.

Homogenous weight enumerator: w(x)=1x^0+200x^59+532x^60+1062x^61+1476x^62+1846x^63+1986x^64+2506x^65+2029x^66+1820x^67+1225x^68+836x^69+371x^70+182x^71+95x^72+98x^73+66x^74+16x^75+24x^76+10x^77+1x^82+1x^84+1x^86

The gray image is a code over GF(2) with n=520, k=14 and d=236.
This code was found by Heurico 1.16 in 3.25 seconds.