The generator matrix

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

generates a code of length 91 over Z16 who´s minimum homogenous weight is 85.

Homogenous weight enumerator: w(x)=1x^0+52x^85+482x^86+530x^87+988x^88+956x^89+977x^90+762x^91+897x^92+682x^93+733x^94+424x^95+346x^96+120x^97+110x^98+34x^99+35x^100+6x^101+12x^102+10x^103+20x^104+8x^105+4x^106+1x^110+1x^120+1x^122

The gray image is a code over GF(2) with n=728, k=13 and d=340.
This code was found by Heurico 1.16 in 1.9 seconds.