The generator matrix

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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+338x^38+92x^39+737x^40+104x^41+889x^42+156x^43+682x^44+64x^45+452x^46+68x^47+349x^48+24x^49+102x^50+4x^51+22x^52+10x^54+1x^56+1x^58

The gray image is a code over GF(2) with n=172, k=12 and d=76.
This code was found by Heurico 1.16 in 95.3 seconds.