The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+103x^32+472x^33+754x^34+1456x^35+1622x^36+3004x^37+2833x^38+4308x^39+3488x^40+4252x^41+3238x^42+3140x^43+1566x^44+1300x^45+572x^46+412x^47+126x^48+60x^49+24x^50+28x^51+4x^52+3x^54+2x^56

The gray image is a code over GF(2) with n=160, k=15 and d=64.
This code was found by Heurico 1.16 in 17.3 seconds.