The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+368x^32+752x^33+1760x^34+2376x^35+4167x^36+4772x^37+6586x^38+7396x^39+8750x^40+7452x^41+7168x^42+5076x^43+4051x^44+2204x^45+1538x^46+556x^47+344x^48+116x^49+68x^50+20x^51+14x^52+1x^56

The gray image is a code over GF(2) with n=160, k=16 and d=64.
This code was found by Heurico 1.16 in 67.6 seconds.