The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+314x^46+192x^47+834x^48+320x^49+804x^50+320x^51+823x^52+192x^53+274x^54+4x^56+8x^58+8x^62+1x^72+1x^76

The gray image is a code over GF(2) with n=400, k=12 and d=184.
This code was found by Heurico 1.16 in 3.89 seconds.