The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+70x^40+170x^41+415x^42+628x^43+1082x^44+1970x^45+2867x^46+3900x^47+4880x^48+5930x^49+7016x^50+7300x^51+7093x^52+6416x^53+5044x^54+3876x^55+2684x^56+1738x^57+1219x^58+632x^59+285x^60+158x^61+71x^62+48x^63+27x^64+2x^65+6x^66+3x^68+2x^70+2x^72+1x^76

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 98.1 seconds.