The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  1  1  2  0  1  1  0  1  1  0  1  2  1  1  0  4  0  1  2  1  2  1  1
 0  2  0  2  0  0  2  6  0  4  6  2  0  2  2  4  4  0  4  4  6  2  6  2  2  2  0  6  2  2  6  2  4  4  2  4  4  4  2  4  6  0  0
 0  0  2  2  0  6  2  0  4  2  0  2  0  6  4  2  2  2  2  2  0  4  0  4  2  2  2  0  0  4  2  6  6  0  0  2  2  4  6  0  2  0  0
 0  0  0  4  0  0  0  0  4  4  4  4  4  0  4  0  0  0  0  4  0  0  0  4  0  4  4  4  4  4  0  4  0  0  0  4  0  0  0  0  4  0  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  0  0  0  0  4  4  4  0  4  4  0  0  4  4  4  4  4  4  4  0  0  4  4  0  4  0  0  0
 0  0  0  0  0  4  0  0  0  4  0  0  4  4  4  4  4  0  0  4  4  0  0  4  0  0  4  0  0  0  4  0  4  4  4  0  4  0  0  0  4  0  0
 0  0  0  0  0  0  4  0  4  4  4  4  4  0  4  4  4  4  0  0  4  4  4  0  0  4  4  0  4  0  0  0  0  4  4  4  4  0  4  4  4  4  0
 0  0  0  0  0  0  0  4  0  0  0  4  0  4  4  0  4  4  4  0  4  4  0  0  0  0  4  0  4  4  0  4  4  4  4  0  0  0  4  0  0  4  0

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

Homogenous weight enumerator: w(x)=1x^0+42x^34+24x^35+98x^36+126x^37+179x^38+198x^39+304x^40+398x^41+395x^42+574x^43+425x^44+402x^45+320x^46+178x^47+149x^48+90x^49+72x^50+50x^51+36x^52+8x^53+11x^54+10x^56+3x^58+1x^60+2x^62

The gray image is a code over GF(2) with n=172, k=12 and d=68.
This code was found by Heurico 1.16 in 0.589 seconds.