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
 0  4  0  0  0  0  0  4  0  0  0  4  4  0  4  4  0  0  4  0  0  4  4  0  0  4  4  4  4  0  0  0  0  4  4  4  0  0  0  0  4  4  4  4  0  0
 0  0  4  0  0  0  0  4  0  0  4  4  0  4  4  0  0  4  4  0  0  0  0  4  4  4  0  4  0  0  0  4  4  4  4  0  0  0  4  4  4  4  0  0  0  0
 0  0  0  4  0  0  0  4  0  4  4  0  0  4  0  4  0  0  4  0  4  4  0  4  0  0  4  4  0  0  4  4  0  0  4  4  4  4  4  4  0  0  0  0  0  0
 0  0  0  0  4  0  0  4  0  4  0  0  4  4  4  0  4  0  4  4  0  0  4  0  4  0  4  4  0  4  4  0  0  0  0  4  4  4  4  4  4  4  4  4  0  0
 0  0  0  0  0  4  0  4  4  0  0  0  4  4  0  4  4  0  0  4  4  0  0  0  0  4  4  4  4  0  0  4  4  0  0  4  4  4  0  0  4  4  0  0  0  0
 0  0  0  0  0  0  4  4  4  0  4  0  0  0  4  4  0  4  0  4  0  0  4  0  4  4  4  0  0  4  4  0  0  4  4  0  4  0  4  0  0  4  0  4  0  0

generates a code of length 46 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+34x^40+29x^44+384x^46+29x^48+34x^52+1x^92

The gray image is a code over GF(2) with n=184, k=9 and d=80.
This code was found by Heurico 1.16 in 0.0364 seconds.