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

generates a code of length 50 over Z16 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+199x^46+60x^47+183x^48+328x^49+577x^50+320x^51+124x^52+56x^53+137x^54+4x^55+43x^56+15x^58+1x^88

The gray image is a code over GF(2) with n=400, k=11 and d=184.
This code was found by Heurico 1.16 in 4.92 seconds.