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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+146x^40+108x^42+168x^44+40x^46+36x^48+12x^50+1x^80

The gray image is a code over GF(2) with n=172, k=9 and d=80.
This code was found by Heurico 1.16 in 0.0356 seconds.