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

generates a code of length 74 over Z16 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+70x^64+344x^65+753x^66+1302x^67+1846x^68+2600x^69+3169x^70+5006x^71+6141x^72+7472x^73+7950x^74+8114x^75+6040x^76+4930x^77+3228x^78+2412x^79+1615x^80+1056x^81+661x^82+424x^83+213x^84+106x^85+47x^86+18x^87+4x^88+4x^89+4x^91+5x^92+1x^96

The gray image is a code over GF(2) with n=592, k=16 and d=256.
This code was found by Heurico 1.16 in 79.9 seconds.