The generator matrix

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

generates a code of length 86 over Z8 who´s minimum homogenous weight is 85.

Homogenous weight enumerator: w(x)=1x^0+42x^85+32x^86+30x^87+10x^88+4x^89+2x^90+2x^93+2x^94+2x^95+1x^96

The gray image is a code over GF(2) with n=344, k=7 and d=170.
This code was found by Heurico 1.16 in 0.247 seconds.