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

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

Homogenous weight enumerator: w(x)=1x^0+218x^46+222x^48+256x^49+660x^50+256x^51+223x^52+202x^54+1x^56+8x^58+1x^92

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 1.64 seconds.