The generator matrix

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

generates a code of length 74 over Z16 who´s minimum homogenous weight is 67.

Homogenous weight enumerator: w(x)=1x^0+66x^67+694x^68+1520x^69+2363x^70+2590x^71+3426x^72+3804x^73+4108x^74+3884x^75+3444x^76+2648x^77+2077x^78+1004x^79+541x^80+262x^81+191x^82+60x^83+32x^84+20x^85+12x^86+10x^87+4x^88+2x^89+1x^90+2x^91+2x^92

The gray image is a code over GF(2) with n=592, k=15 and d=268.
This code was found by Heurico 1.16 in 11.8 seconds.