The generator matrix

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

generates a code of length 85 over Z8 who´s minimum homogenous weight is 85.

Homogenous weight enumerator: w(x)=1x^0+36x^85+4x^86+8x^87+9x^88+4x^89+1x^92+1x^100

The gray image is a code over GF(2) with n=340, k=6 and d=170.
This code was found by Heurico 1.16 in 0.154 seconds.