The generator matrix

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

generates a code of length 40 over Z8 who´s minimum homogenous weight is 35.

Homogenous weight enumerator: w(x)=1x^0+208x^35+320x^36+518x^37+399x^38+512x^39+449x^40+442x^41+307x^42+322x^43+221x^44+226x^45+77x^46+60x^47+14x^48+14x^49+1x^50+2x^51+3x^52

The gray image is a code over GF(2) with n=160, k=12 and d=70.
This code was found by Heurico 1.11 in 0.182 seconds.