The generator matrix

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

generates a code of length 40 over Z8 who´s minimum homogenous weight is 32.

Homogenous weight enumerator: w(x)=1x^0+459x^32+680x^33+1924x^34+1976x^35+4275x^36+4324x^37+7882x^38+6172x^39+9752x^40+6492x^41+7928x^42+4556x^43+4574x^44+1788x^45+1624x^46+532x^47+380x^48+92x^49+92x^50+12x^51+15x^52+6x^54

The gray image is a code over GF(2) with n=160, k=16 and d=64.
This code was found by Heurico 1.11 in 72 seconds.