The generator matrix

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

generates a code of length 41 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+93x^34+16x^35+273x^36+96x^37+483x^38+240x^39+693x^40+320x^41+705x^42+240x^43+488x^44+96x^45+232x^46+16x^47+69x^48+17x^50+7x^52+5x^54+5x^56+1x^58

The gray image is a code over GF(2) with n=164, k=12 and d=68.
This code was found by Heurico 1.16 in 14.9 seconds.