The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+168x^60+192x^61+534x^62+368x^63+575x^64+416x^65+692x^66+384x^67+384x^68+160x^69+142x^70+16x^71+49x^72+8x^74+3x^76+2x^80+1x^88+1x^92

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 1.24 seconds.