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  0  4  4  1  1  1  2  1  2  2  1  1  2  2  2  1  1  1  2  2  1  1  4  1
 0  2  0  0  0  0  0  0  0  0  2  6  2  4  6  6  2  4  6  0  2  6  6  4  0  4  2  2  4  6  0  6  6  6  4  4  4  2  0  4  2  4  0  6  6  0  6  2  0  6
 0  0  2  0  0  0  2  6  2  4  2  2  4  2  6  0  2  6  0  6  2  0  0  6  4  2  2  0  2  2  4  2  6  6  0  4  4  0  4  2  2  0  4  2  6  2  6  0  2  6
 0  0  0  2  0  2  2  2  4  6  0  4  0  2  2  2  6  4  6  0  2  0  2  6  4  4  2  4  0  4  0  0  2  6  6  6  2  0  4  0  6  6  6  2  4  6  2  4  0  0
 0  0  0  0  2  2  4  6  2  0  0  6  2  2  4  2  2  0  4  6  6  0  4  0  0  4  0  2  6  4  2  2  0  0  6  4  2  6  6  2  6  0  0  4  6  0  6  4  6  4
 0  0  0  0  0  4  4  4  0  4  4  0  4  0  0  4  0  4  4  4  4  4  0  0  4  0  0  4  0  0  4  4  4  4  4  4  0  0  0  4  0  4  0  0  0  4  0  0  4  0

generates a code of length 50 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+46x^42+120x^43+150x^44+198x^45+221x^46+324x^47+379x^48+400x^49+490x^50+450x^51+376x^52+248x^53+200x^54+164x^55+92x^56+88x^57+56x^58+28x^59+25x^60+26x^61+11x^62+2x^67+1x^76

The gray image is a code over GF(2) with n=200, k=12 and d=84.
This code was found by Heurico 1.16 in 0.737 seconds.