The generator matrix

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

generates a code of length 74 over Z16 who´s minimum homogenous weight is 65.

Homogenous weight enumerator: w(x)=1x^0+142x^65+996x^66+2698x^67+5382x^68+9276x^69+15398x^70+20324x^71+27470x^72+30906x^73+35260x^74+32854x^75+28455x^76+20206x^77+15093x^78+8834x^79+4870x^80+2176x^81+979x^82+482x^83+187x^84+72x^85+45x^86+22x^87+3x^88+4x^89+5x^90+2x^91+2x^93

The gray image is a code over GF(2) with n=592, k=18 and d=260.
This code was found by Heurico 1.16 in 674 seconds.