The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  2  2  2  2  1  1  1  1  1  1  1  1  2  2  2  2  2  2  2  1  1  1  1  1  4  4  4  4  4  4  4  0  0  0  0  0  0  0  2  2  1  2  2  2  2  2  2  2  1  1  1  1  1  1  1
 0  4  0  0  0  4  4  4  0  0  0  4  0  4  4  4  0  0  0  4  0  4  4  4  0  0  0  4  4  4  4  0  0  0  4  0  4  4  4  0  0  0  4  4  4  4  0  0  0  4  0  4  4  4  0  0  4  4  0  4  4  4  4  4  4  0  0  0  0  0  0  0  4  4  0  4  4  0  0  0  4  0  4  4  0
 0  0  4  0  4  4  4  0  0  0  4  4  4  4  0  0  0  0  4  4  4  4  0  0  0  0  4  4  4  0  0  0  4  4  4  4  4  0  0  0  0  4  4  4  0  0  0  4  4  4  4  4  0  0  0  4  4  0  4  4  0  0  0  4  4  4  4  0  0  0  0  4  4  0  4  4  0  0  0  4  4  4  4  0  0
 0  0  0  4  4  0  4  4  0  4  4  0  0  4  4  0  0  4  4  0  0  4  4  0  0  4  4  0  4  4  0  4  4  0  0  0  4  4  0  0  4  4  0  4  4  0  4  4  0  0  0  4  4  0  4  4  0  0  0  4  4  0  4  4  0  0  4  4  0  4  0  4  0  0  0  4  4  0  4  4  0  0  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+32x^85+18x^86+6x^88+4x^90+2x^94+1x^96

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 0.22 seconds.