The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+90x^60+208x^61+516x^62+578x^63+449x^64+510x^65+442x^66+546x^67+417x^68+176x^69+96x^70+26x^71+24x^72+2x^73+4x^74+2x^75+2x^76+4x^78+2x^82+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 0.36 seconds.