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

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

Homogenous weight enumerator: w(x)=1x^0+94x^65+361x^66+848x^67+1267x^68+1820x^69+2435x^70+3772x^71+5012x^72+6178x^73+7252x^74+7406x^75+7471x^76+6252x^77+4995x^78+3782x^79+2520x^80+1666x^81+982x^82+670x^83+314x^84+180x^85+96x^86+62x^87+51x^88+30x^89+5x^90+4x^91+4x^92+4x^93+2x^94

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 85.3 seconds.