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

generates a code of length 89 over Z8 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+9x^86+124x^87+19x^88+17x^90+56x^91+11x^92+2x^94+4x^95+1x^98+1x^100+8x^103+2x^106+1x^110

The gray image is a code over GF(2) with n=356, k=8 and d=172.
This code was found by Heurico 1.16 in 0.334 seconds.