The generator matrix

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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+89x^34+198x^35+507x^36+640x^37+1690x^38+1334x^39+3152x^40+2486x^41+4623x^42+2980x^43+5002x^44+2460x^45+3378x^46+1444x^47+1455x^48+520x^49+429x^50+182x^51+113x^52+36x^53+28x^54+6x^55+8x^56+2x^57+3x^58+2x^60

The gray image is a code over GF(2) with n=172, k=15 and d=68.
This code was found by Heurico 1.16 in 20.8 seconds.