The generator matrix

 1  0  1  1  1  0  1  1  0  1  4  1  1  2  1  1  1  6  1  6  1  1  1  2  1  2  1  1  1  1  6  1  1  0  2  2  1  1  2  1  1  1  1  2  4  1  1  1  6  2
 0  1  1  0  3  1  3  0  1  4  1  1  6  1  3  2  5  1  6  1  5  7  4  1  2  1  2  7  1  4  1  1  6  1  1  1  0  2  2  2  6  2  1  1  2  4  3  4  1  0
 0  0  2  0  0  0  0  2  2  2  6  4  6  2  6  4  2  4  4  6  0  2  0  4  0  0  2  4  6  2  0  0  6  2  6  6  6  6  0  4  6  4  4  2  4  4  4  4  2  2
 0  0  0  2  0  6  6  2  2  0  4  6  2  4  2  6  6  0  4  2  4  0  6  2  6  6  4  6  4  2  0  0  4  0  0  6  2  4  2  2  2  2  2  0  6  4  0  6  2  2
 0  0  0  0  4  0  0  0  0  0  0  4  0  0  4  0  4  4  4  4  0  0  4  4  4  0  4  4  0  4  4  0  0  0  0  0  4  0  4  0  0  4  0  4  0  4  4  0  4  4
 0  0  0  0  0  4  0  0  0  4  0  0  0  4  0  4  4  0  0  4  0  4  0  4  4  4  0  0  4  4  0  4  4  0  0  0  4  4  4  4  4  4  0  0  0  0  0  0  0  0
 0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  0  4  4  0  4  0  0  0  0  4  4  0  4  4  4  4  4  0  4  0  0  4  4  0  0  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  0  0  4  0  4  0  0  4  0  4  0  4  4  4  4  0  4  0  0  0  4  0  4  0  4  0  4  4  4  4  0  4
 0  0  0  0  0  0  0  0  4  4  4  0  4  4  0  4  0  4  0  4  4  4  4  0  0  4  0  0  0  4  0  0  4  0  0  0  0  0  0  4  4  4  4  0  4  0  0  4  4  4

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

Homogenous weight enumerator: w(x)=1x^0+232x^40+36x^41+520x^42+292x^43+1284x^44+920x^45+2334x^46+1896x^47+3692x^48+2912x^49+4268x^50+3056x^51+3835x^52+2024x^53+2392x^54+856x^55+1218x^56+252x^57+428x^58+44x^59+206x^60+42x^62+24x^64+3x^68+1x^80

The gray image is a code over GF(2) with n=200, k=15 and d=80.
This code was found by Heurico 1.16 in 31.2 seconds.