The generator matrix

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

generates a code of length 24 over Z9 who´s minimum homogenous weight is 39.

Homogenous weight enumerator: w(x)=1x^0+36x^39+90x^40+246x^41+302x^42+222x^43+552x^44+436x^45+342x^46+750x^47+586x^48+354x^49+780x^50+568x^51+336x^52+528x^53+212x^54+108x^55+60x^56+24x^57+6x^58+12x^60+8x^63+2x^66

The gray image is a code over GF(3) with n=72, k=8 and d=39.
This code was found by Heurico 1.16 in 0.193 seconds.