The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+184x^34+372x^35+1085x^36+1416x^37+2762x^38+3652x^39+5417x^40+6060x^41+7904x^42+7516x^43+7946x^44+6412x^45+5629x^46+3564x^47+2748x^48+1412x^49+876x^50+256x^51+201x^52+60x^53+48x^54+9x^56+4x^58+1x^62+1x^64

The gray image is a code over GF(2) with n=172, k=16 and d=68.
This code was found by Heurico 1.16 in 72.2 seconds.