The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+180x^34+28x^35+245x^36+184x^37+337x^38+428x^39+289x^40+752x^41+317x^42+468x^43+238x^44+152x^45+267x^46+36x^47+98x^48+43x^50+24x^52+8x^54+1x^60

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 0.825 seconds.