The generator matrix

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

generates a code of length 75 over Z16 who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+186x^71+634x^72+682x^73+586x^74+546x^75+434x^76+262x^77+198x^78+184x^79+160x^80+72x^81+86x^82+52x^83+10x^84+1x^86+1x^88+1x^94

The gray image is a code over GF(2) with n=600, k=12 and d=284.
This code was found by Heurico 1.16 in 0.353 seconds.