The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+156x^40+132x^41+310x^42+480x^43+318x^44+514x^45+582x^46+336x^47+544x^48+870x^49+354x^50+512x^51+636x^52+240x^53+286x^54+174x^55+78x^56+14x^57+18x^58+6x^60

The gray image is a code over GF(3) with n=72, k=8 and d=40.
This code was found by Heurico 1.13 in 0.078 seconds.