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  4  0  2  2  2  1  2  4  1  2  2  1  1  0  2  1  0  2  4  2  1  1  1  1  2  2  1  1
 0  2  0  2  0  0  2  6  0  4  2  0  6  4  6  6  0  4  2  4  2  0  6  2  0  2  0  6  2  0  2  0  4  0  2  6  2  6  6  2  2  2  2  2  4  0  4  4  2  0  0
 0  0  2  2  0  6  2  0  0  2  2  4  4  6  2  0  4  2  2  6  0  0  4  2  2  6  6  0  6  6  2  2  2  6  2  6  4  0  4  0  0  6  2  0  2  2  0  2  6  0  0
 0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  4  0  4  0  0  4  4  0  4  4  4  4  4  4  4  0  0  4  0  4  0  0  4  4  0  0  0  0
 0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  4  4  0  0  0  4  4  0  0  4  0  4  4  4  0  4  4  0  4  4  0  0  4  4  4  4  0  4  0  4  0  0  0  0  0  0
 0  0  0  0  0  4  0  0  0  4  0  0  0  0  0  4  4  4  4  4  0  4  0  0  4  4  0  4  0  4  0  4  0  0  4  0  4  0  4  0  4  0  4  0  0  4  0  4  0  4  0
 0  0  0  0  0  0  4  0  0  0  4  0  0  0  0  4  4  4  4  0  4  4  0  4  4  4  4  0  4  0  0  0  4  0  4  4  0  0  0  4  0  4  0  4  4  4  0  4  0  4  0
 0  0  0  0  0  0  0  4  0  4  4  4  4  0  0  4  4  0  4  4  0  0  4  0  0  0  4  4  4  0  0  0  4  4  0  4  4  4  0  4  4  4  4  0  0  4  0  4  4  4  0
 0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  4  4  4  0  0  0  4  0  4  0  0  0  0  0  4  4  4  0  0  0  0  4  4  0  4  4  0  4  0  0  4  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+17x^40+38x^41+106x^42+128x^43+208x^44+276x^45+362x^46+440x^47+543x^48+708x^49+830x^50+908x^51+837x^52+732x^53+535x^54+460x^55+347x^56+242x^57+170x^58+100x^59+62x^60+48x^61+36x^62+12x^63+28x^64+4x^65+6x^66+5x^68+3x^70

The gray image is a code over GF(2) with n=204, k=13 and d=80.
This code was found by Heurico 1.16 in 3.18 seconds.