The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+23x^34+76x^35+158x^36+190x^37+273x^38+258x^39+144x^40+246x^41+256x^42+176x^43+130x^44+68x^45+19x^46+2x^47+7x^48+6x^49+4x^50+8x^52+2x^53+1x^58

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 0.112 seconds.