The generator matrix

 1  0  0  1  1  1  6  1  1  2  0  1  1  6  1  1  4  0  1  0  1  1  4  2  1  1  4  1  1  1  1  1  1  1  1  6  2  4  0  1  1
 0  1  0  0  1  3  1  4  1  1  1  3  0  0  4  4  1  4  5  1  5  6  6  1  3  7  6  2  4  1  3  5  4  3  5  1  6  1  1  5  4
 0  0  1  1  3  0  3  7  1  0  5  4  2  1  2  3  4  1  0  5  3  3  1  6  4  5  1  7  6  1  5  7  4  6  4  2  1  7  3  7  0
 0  0  0  2  2  6  4  4  0  2  6  0  6  4  4  6  6  6  4  4  0  4  6  0  6  6  0  0  0  2  2  2  6  6  0  2  2  2  6  2  2
 0  0  0  0  4  0  0  0  4  0  0  0  0  4  4  4  4  4  0  4  4  0  0  4  4  0  0  4  0  4  0  0  0  4  4  4  4  0  4  0  0
 0  0  0  0  0  4  4  0  0  0  4  4  0  0  0  4  4  4  0  4  4  4  0  4  0  0  4  0  4  0  4  0  0  4  0  0  4  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+76x^34+130x^35+457x^36+516x^37+779x^38+742x^39+980x^40+864x^41+1058x^42+760x^43+761x^44+382x^45+366x^46+142x^47+98x^48+28x^49+22x^50+18x^51+6x^52+2x^53+3x^54+1x^56

The gray image is a code over GF(2) with n=164, k=13 and d=68.
This code was found by Heurico 1.16 in 1.26 seconds.