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

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

Homogenous weight enumerator: w(x)=1x^0+205x^40+444x^42+32x^43+876x^44+192x^45+1308x^46+640x^47+2084x^48+1184x^49+2428x^50+1184x^51+2214x^52+640x^53+1276x^54+192x^55+809x^56+32x^57+376x^58+185x^60+56x^62+21x^64+4x^68+1x^76

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 11.6 seconds.