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

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

Homogenous weight enumerator: w(x)=1x^0+60x^65+344x^66+522x^67+1004x^68+1392x^69+2069x^70+2452x^71+3056x^72+3638x^73+3998x^74+3582x^75+3302x^76+2276x^77+1795x^78+1292x^79+807x^80+438x^81+366x^82+132x^83+104x^84+64x^85+35x^86+20x^87+12x^88+4x^89+2x^92+1x^94

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 22 seconds.