The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+48x^65+126x^66+278x^67+549x^68+1054x^69+1818x^70+2456x^71+3486x^72+4420x^73+4544x^74+4374x^75+3457x^76+2416x^77+1740x^78+1006x^79+485x^80+220x^81+87x^82+52x^83+32x^84+22x^85+29x^86+26x^87+19x^88+8x^89+6x^90+2x^92+4x^93+1x^96+1x^98+1x^102

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 17 seconds.