The generator matrix

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

generates a code of length 91 over Z16 who´s minimum homogenous weight is 88.

Homogenous weight enumerator: w(x)=1x^0+371x^88+364x^89+228x^90+196x^91+292x^92+268x^93+212x^94+56x^95+34x^96+4x^97+8x^98+4x^99+4x^101+4x^108+1x^128+1x^136

The gray image is a code over GF(2) with n=728, k=11 and d=352.
This code was found by Heurico 1.16 in 46.3 seconds.