The generator matrix

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

generates a code of length 40 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+116x^34+16x^35+237x^36+80x^37+274x^38+160x^39+357x^40+160x^41+256x^42+80x^43+136x^44+16x^45+74x^46+66x^48+16x^50+2x^52+1x^60

The gray image is a code over GF(2) with n=160, k=11 and d=68.
This code was found by Heurico 1.16 in 0.163 seconds.