The generator matrix

 1  0  0  0  1  1  1  6  1  1  1  1  1  1  0  1  3  1  6  1  3  1  1  1
 0  1  0  0  6  1  7  1  0  6  1  5  7  2  1  2  1  8  1  7  6  4  8  4
 0  0  1  0  7  1  5  7  6  2  8  6  0  5  5  2  5  6  3  8  1  0  8  0
 0  0  0  1  5  3  8  2  4  2  1  2  6  6  1  8  6  6  8  0  1  4  4  1

generates a code of length 24 over Z9 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+108x^40+288x^41+296x^42+240x^43+474x^44+520x^45+348x^46+762x^47+554x^48+252x^49+846x^50+532x^51+372x^52+462x^53+260x^54+120x^55+84x^56+22x^57+18x^58+2x^63

The gray image is a code over GF(3) with n=72, k=8 and d=40.
This code was found by Heurico 1.16 in 0.219 seconds.