The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  0  1  1  6  1  1  0  1  6  1  0  1  1  4  1  1  1  1  1  6  1  1  1  6  1  1  1  1
 0  1  3  6  1  1  0  3  1  6  5  1  1  0  5  1  6  3  1  3  1  0  1  5  6  1  0  3  6  5  0  1  6  5  6  1  5  6  5  5
 0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  4  0  4  4  0  0  4  4  4  4  0  0  4  4  0  4  4
 0  0  0  4  0  0  0  0  0  0  0  0  0  4  0  4  0  4  0  0  4  4  4  4  4  4  0  0  4  4  0  0  0  4  4  0  4  4  4  4
 0  0  0  0  4  0  0  0  0  0  0  4  4  0  4  4  4  4  4  0  0  0  0  4  0  4  4  4  4  0  0  0  4  0  0  0  4  0  4  0
 0  0  0  0  0  4  0  0  0  0  4  4  4  0  4  0  0  4  4  4  0  4  4  0  0  0  0  0  0  4  4  0  0  4  4  4  0  4  0  0
 0  0  0  0  0  0  4  0  0  4  4  0  0  4  4  0  0  4  4  0  4  0  0  4  0  0  4  4  0  4  0  0  4  4  0  0  0  0  4  4
 0  0  0  0  0  0  0  4  0  4  0  0  0  0  0  0  4  4  0  4  0  4  0  4  4  0  4  4  4  0  0  4  0  4  4  4  0  0  0  4
 0  0  0  0  0  0  0  0  4  0  4  4  0  0  4  4  4  4  0  4  4  0  4  4  4  0  4  0  0  0  4  4  0  4  0  0  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+125x^32+24x^33+192x^34+104x^35+732x^36+312x^37+1216x^38+584x^39+1643x^40+584x^41+1216x^42+312x^43+701x^44+104x^45+192x^46+24x^47+96x^48+22x^52+7x^56+1x^60

The gray image is a code over GF(2) with n=160, k=13 and d=64.
This code was found by Heurico 1.16 in 1.63 seconds.