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

generates a code of length 75 over Z16 who´s minimum homogenous weight is 65.

Homogenous weight enumerator: w(x)=1x^0+36x^65+422x^66+788x^67+1232x^68+1572x^69+2490x^70+3312x^71+5031x^72+5746x^73+8425x^74+7724x^75+8122x^76+6058x^77+5033x^78+3308x^79+2351x^80+1334x^81+1129x^82+586x^83+450x^84+172x^85+97x^86+56x^87+24x^88+24x^89+4x^90+2x^91+4x^92+2x^93+1x^104

The gray image is a code over GF(2) with n=600, k=16 and d=260.
This code was found by Heurico 1.16 in 81.5 seconds.