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

generates a code of length 90 over Z8 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+54x^86+38x^88+346x^90+16x^92+42x^94+8x^96+6x^98+1x^176

The gray image is a code over GF(2) with n=360, k=9 and d=172.
This code was found by Heurico 1.16 in 0.631 seconds.