The generator matrix

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

generates a code of length 86 over Z8 who´s minimum homogenous weight is 83.

Homogenous weight enumerator: w(x)=1x^0+58x^83+50x^84+48x^85+154x^86+132x^87+44x^88+4x^90+18x^91+1x^104+1x^114+1x^122

The gray image is a code over GF(2) with n=344, k=9 and d=166.
This code was found by Heurico 1.16 in 2.54 seconds.