The generator matrix

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

generates a code of length 24 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 43.

Homogenous weight enumerator: w(x)=1x^0+678x^43+450x^44+1772x^45+2898x^46+1548x^47+3660x^48+4068x^49+1512x^50+1768x^51+1248x^52+36x^53+6x^54+18x^55+18x^56+2x^60

The gray image is a code over GF(3) with n=216, k=9 and d=129.
This code was found by Heurico 1.16 in 0.205 seconds.