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

generates a code of length 87 over Z8 who´s minimum homogenous weight is 88.

Homogenous weight enumerator: w(x)=1x^0+60x^88+3x^96

The gray image is a code over GF(2) with n=348, k=6 and d=176.
This code was found by Heurico 1.16 in 0.252 seconds.