The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  1  6  1  1  0  1  1  0  6  1  1  1  1  1  0  1  1  6  1  0  1  6  6  1  1  1  1  1  1  1  6  1  1  1  1  2  1  0
 0  1  3  6  1  1  0  3  1  6  5  1  6  1  3  0  1  5  3  1  1  0  5  6  5  0  1  3  6  1  5  1  3  1  1  0  6  0  6  4  0  3  1  5  3  0  3  1  0  1
 0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  0  4  0  4  0  4  4  0  4  4  0  4  4  0  4  0  4  4  4  4  0  0  4  0  0  4  0  4  0  0  0  4  4  4  4
 0  0  0  4  0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  0  0  4  4  4  4  4  4  4  4  4  4  0  0  4  4  0  4  0  4  0  4  4  0  0  0  4  4  0  0  0
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  0  4  4  4  0  4
 0  0  0  0  0  4  0  0  0  0  0  0  0  4  0  4  4  4  4  4  0  4  4  0  4  0  0  4  0  0  4  0  4  4  4  0  0  4  4  4  4  0  4  0  4  4  0  0  4  4
 0  0  0  0  0  0  4  0  0  0  4  0  4  0  4  4  0  0  0  4  4  4  4  4  4  0  0  0  0  0  4  0  4  0  4  4  0  0  0  4  0  4  4  0  0  4  4  4  0  4
 0  0  0  0  0  0  0  4  0  0  0  4  0  4  4  0  0  0  0  4  4  4  0  4  0  4  0  0  4  4  4  0  4  4  0  0  0  0  4  0  4  4  4  0  4  0  4  4  4  0
 0  0  0  0  0  0  0  0  4  0  4  4  0  4  4  0  0  4  0  0  0  4  0  4  4  4  4  0  0  0  0  0  0  4  4  0  4  4  4  4  4  0  4  4  0  0  0  0  0  0
 0  0  0  0  0  0  0  0  0  4  4  0  4  0  4  4  0  4  4  0  0  0  0  4  0  4  0  4  4  0  0  4  4  0  4  4  0  0  4  0  0  0  0  4  4  0  4  0  0  4

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

Homogenous weight enumerator: w(x)=1x^0+159x^40+16x^41+104x^42+176x^43+441x^44+800x^45+384x^46+2016x^47+704x^48+3136x^49+560x^50+3136x^51+679x^52+2016x^53+384x^54+800x^55+412x^56+176x^57+104x^58+16x^59+119x^60+35x^64+9x^68+1x^72

The gray image is a code over GF(2) with n=200, k=14 and d=80.
This code was found by Heurico 1.16 in 8.76 seconds.