The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+69x^32+4x^33+208x^34+92x^35+289x^36+340x^37+340x^38+588x^39+309x^40+588x^41+296x^42+340x^43+258x^44+92x^45+152x^46+4x^47+84x^48+24x^50+13x^52+4x^54+1x^56

The gray image is a code over GF(2) with n=160, k=12 and d=64.
This code was found by Heurico 1.16 in 0.545 seconds.