The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+36x^40+170x^41+404x^42+680x^43+1076x^44+1836x^45+2690x^46+3770x^47+5210x^48+6028x^49+7023x^50+7712x^51+7031x^52+6164x^53+5026x^54+3788x^55+2690x^56+1782x^57+1163x^58+664x^59+324x^60+144x^61+76x^62+26x^63+15x^64+4x^65+1x^66+1x^68+1x^90

The gray image is a code over GF(2) with n=204, k=16 and d=80.
This code was found by Heurico 1.16 in 100 seconds.