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

generates a code of length 77 over Z16 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+164x^75+24x^76+160x^77+31x^78+94x^79+4x^80+24x^81+4x^83+2x^87+3x^88+1x^102

The gray image is a code over GF(2) with n=616, k=9 and d=300.
This code was found by Heurico 1.16 in 0.851 seconds.