The generator matrix

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

generates a code of length 74 over Z16 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+72x^66+280x^67+849x^68+1106x^69+2231x^70+2230x^71+4066x^72+3368x^73+4683x^74+3354x^75+4144x^76+2188x^77+1894x^78+910x^79+731x^80+276x^81+179x^82+70x^83+51x^84+30x^85+20x^86+4x^87+10x^88+4x^89+6x^90+4x^92+4x^93+3x^94

The gray image is a code over GF(2) with n=592, k=15 and d=264.
This code was found by Heurico 1.16 in 15.8 seconds.