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  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  1  2  1  2  2  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  0  0  0  0  4  4  0  0  0  4  4  0  0  0  0  4  4  4  4  4  0  4  4  0  0  4  4  4  4  0  4  0  4  0  4  0  4  0  0  4  0  4  0
 0  0  4  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  0  4  4  0  0  4  4  4  4  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  0  0  0  0  0  0  4  4  4  4  4  0  0  4  4  4  4  4  4  4  0  0  4  0  4  0  0  0  0  0  4  4  0  0  0  0  0  0  0  4  4  0  0  0  4  4  4
 0  0  0  4  0  0  0  4  4  4  4  4  0  4  4  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  0  0  4  4  4  4  0  0  0  0  4  4  4  4  0  0  0  4  4  0  0  4  4  0  4  0  4  4  4  0  0  0  4  0  4  0  0  4  4  4  0  0  0  4  4  0  0  0  0  4  4  4  4  4  4  4  4  4  0
 0  0  0  0  4  0  4  4  4  0  0  0  0  4  4  4  4  0  0  0  4  4  4  4  4  4  0  0  0  0  4  4  0  4  4  0  0  4  4  0  0  4  4  0  0  4  4  0  4  4  0  0  0  0  4  0  0  4  4  0  4  0  4  0  0  4  0  0  4  0  4  0  4  0  4  4  4  0  4  4  0  4  0  0  4  4  0  4  4  0  4
 0  0  0  0  0  4  4  0  4  4  0  4  4  4  0  0  4  0  4  4  4  0  0  4  0  4  4  0  0  4  4  0  4  4  0  0  0  0  4  4  0  0  4  4  4  4  0  0  0  4  4  0  4  0  4  0  4  4  0  4  4  0  0  4  0  4  0  4  0  0  0  4  0  4  4  0  0  4  0  4  0  0  4  0  4  4  0  4  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+30x^89+23x^90+160x^91+24x^92+8x^94+7x^96+2x^121+1x^122

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 8.65 seconds.