The generator matrix

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

generates a code of length 40 over Z8 who´s minimum homogenous weight is 37.

Homogenous weight enumerator: w(x)=1x^0+76x^37+90x^38+94x^39+68x^40+60x^41+35x^42+26x^43+19x^44+24x^45+9x^46+4x^47+4x^49+2x^50

The gray image is a code over GF(2) with n=160, k=9 and d=74.
This code was found by Heurico 1.11 in 0.0146 seconds.