The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+216x^35+266x^36+600x^37+372x^38+516x^39+381x^40+560x^41+215x^42+368x^43+216x^44+200x^45+66x^46+84x^47+16x^48+16x^49+3x^50

The gray image is a code over GF(2) with n=160, k=12 and d=70.
This code was found by Heurico 1.16 in 0.724 seconds.