The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+321x^60+368x^61+1160x^62+760x^63+1211x^64+912x^65+1248x^66+672x^67+672x^68+272x^69+336x^70+72x^71+109x^72+16x^73+32x^74+18x^76+8x^78+3x^80+1x^84

The gray image is a code over GF(2) with n=520, k=13 and d=240.
This code was found by Heurico 1.16 in 1.29 seconds.