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

generates a code of length 91 over Z8 who´s minimum homogenous weight is 89.

Homogenous weight enumerator: w(x)=1x^0+60x^89+72x^90+32x^91+23x^92+24x^93+22x^94+8x^95+4x^96+2x^98+3x^100+4x^101+1x^104

The gray image is a code over GF(2) with n=364, k=8 and d=178.
This code was found by Heurico 1.16 in 0.767 seconds.