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  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  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  1  1  2  1  4  1  4  1  1  1
 0  2  0  0  0  2  6  2  0  6  0  6  0  6  0  2  0  0  2  2  0  0  6  6  0  4  2  2  4  2  4  6  0  4  2  2  4  6  0  2  2  4  2  0  4  6  6  4  0  6  2  4  4  6  2  6  4  4  2  2  0  4  2  4  6  0  2  4  6  0  4  6  6  6  4  0  2  0  4  0  4  6  6  2  4  0  4  2  0  2  4
 0  0  2  0  2  2  2  0  0  0  0  0  6  6  6  6  4  6  6  4  4  6  6  4  4  6  2  2  4  0  6  0  0  6  6  2  2  4  4  0  2  2  0  6  0  6  4  0  4  6  0  6  2  4  6  0  0  4  6  4  2  4  2  6  0  2  4  2  6  4  4  6  2  4  2  2  6  6  2  0  0  0  4  0  6  2  4  6  6  0  4
 0  0  0  2  2  0  2  2  4  4  2  2  2  4  4  2  4  4  4  4  6  6  6  6  4  2  4  2  2  4  4  6  0  0  6  0  2  6  2  0  4  0  6  2  0  2  4  6  0  0  6  4  6  4  2  4  2  4  0  6  4  2  6  6  2  4  0  2  2  6  6  0  4  2  4  6  6  6  6  4  0  0  0  6  6  6  4  4  0  4  6
 0  0  0  0  4  0  4  0  4  4  4  4  0  4  4  0  0  0  0  0  4  4  4  4  4  0  4  0  0  4  4  0  4  4  0  4  0  0  0  4  0  0  4  4  0  4  0  4  0  0  0  0  0  4  4  0  0  4  4  4  4  4  0  4  0  0  0  4  0  0  4  4  0  4  4  0  4  0  4  0  4  0  4  0  0  4  0  0  4  0  0

generates a code of length 91 over Z8 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+95x^86+100x^88+96x^89+73x^90+320x^91+84x^92+96x^93+69x^94+38x^96+47x^98+4x^102+1x^176

The gray image is a code over GF(2) with n=364, k=10 and d=172.
This code was found by Heurico 1.16 in 0.5 seconds.