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  2  1  1  1  1  2  2  1  1  1  1  2  2  2  2  1  1  1  1  4  2  2  0  2  2  4  8  1  2  2  1  1  4  1  2  2  4  0  2  2  4  8  1  4  8  4  2  0  2  1  2  2  4  0  4  4  8  8  1  1  1  1
 0 12  8  4  0 12  8  4  0 12  8  4  0 12  8  4  0 12  8  4  0 12  8  4  0 12  8  4 12  4  0 12  8  4 12  4  0 12  8  4 12  4  0  8  0  8 12  4 12  0  8  4 12  4  4  4  0  8  0  8 12  8  4 12  4 12  4  0  8  4  4  0  8  8  0  8  8  0 12 12  4 12  4  0  4  4  0  8  4  0  8

generates a code of length 91 over Z16 who´s minimum homogenous weight is 92.

Homogenous weight enumerator: w(x)=1x^0+56x^92+4x^94+1x^96+2x^100

The gray image is a code over GF(2) with n=728, k=6 and d=368.
This code was found by Heurico 1.16 in 0.611 seconds.