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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+103x^40+110x^42+56x^43+493x^44+328x^45+578x^46+928x^47+1335x^48+1696x^49+1500x^50+2128x^51+1571x^52+1776x^53+1108x^54+928x^55+815x^56+288x^57+278x^58+56x^59+219x^60+8x^61+10x^62+48x^64+21x^68+2x^72

The gray image is a code over GF(2) with n=204, k=14 and d=80.
This code was found by Heurico 1.16 in 8.57 seconds.