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  2  0  1  2  0  1  1  0  2  4  2  4  1  1  0  4  1  2  1  1  1  4  2  0  2
 0  2  0  2  0  0  2  6  0  4  6  2  0  2  2  4  4  6  0  2  6  0  2  4  2  6  2  2  0  4  4  4  2  2  2  2  2  6  2  0  2  4  2  4  4  0  2  2  0  6
 0  0  2  2  0  6  2  0  4  2  0  2  0  6  4  2  2  4  0  6  6  2  4  0  4  0  4  2  6  2  2  0  0  2  2  6  2  4  0  2  2  2  6  4  4  6  6  2  2  0
 0  0  0  4  0  0  0  0  4  4  4  4  4  0  4  0  0  0  0  4  0  4  0  4  0  4  0  4  0  0  4  4  0  0  0  4  0  0  4  4  4  0  4  4  4  4  4  4  0  4
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  0  0  0  0  4  4  4  4  0  4  4  0  0  0  4  4  0  4  0  4  4  0  0  0  0  4  4  4  4  4  0  0  4  4  4
 0  0  0  0  0  4  0  0  0  4  0  0  4  4  4  4  4  4  4  0  4  0  0  0  4  0  0  4  0  4  0  0  4  0  4  0  4  4  4  0  0  0  4  0  0  0  4  0  0  4
 0  0  0  0  0  0  4  0  4  4  4  4  4  0  4  4  4  4  4  4  4  0  0  4  0  0  4  0  0  0  4  0  4  4  0  0  4  4  0  0  4  0  4  4  4  0  0  4  4  4
 0  0  0  0  0  0  0  4  0  0  0  4  0  4  4  0  4  4  0  0  4  0  0  4  4  0  4  0  4  4  0  4  4  4  0  0  0  0  4  4  4  0  4  4  0  0  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+106x^42+20x^43+233x^44+144x^45+291x^46+352x^47+321x^48+496x^49+280x^50+520x^51+251x^52+368x^53+214x^54+128x^55+158x^56+16x^57+114x^58+4x^59+51x^60+15x^62+8x^64+4x^66+1x^68

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 2.97 seconds.