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

generates a code of length 50 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+43x^40+34x^42+8x^43+76x^44+40x^45+51x^46+88x^47+53x^48+632x^49+49x^50+632x^51+28x^52+88x^53+47x^54+40x^55+25x^56+8x^57+38x^58+24x^60+29x^62+6x^64+6x^66+1x^70+1x^82

The gray image is a code over GF(2) with n=200, k=11 and d=80.
This code was found by Heurico 1.16 in 0.278 seconds.