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

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

Homogenous weight enumerator: w(x)=1x^0+152x^65+317x^66+572x^67+954x^68+1242x^69+2005x^70+2252x^71+3670x^72+3058x^73+4658x^74+3010x^75+3724x^76+2130x^77+1927x^78+1136x^79+722x^80+510x^81+266x^82+178x^83+123x^84+68x^85+40x^86+18x^87+19x^88+8x^89+3x^90+3x^92+2x^95

The gray image is a code over GF(2) with n=592, k=15 and d=260.
This code was found by Heurico 1.16 in 35.9 seconds.