The generator matrix

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

generates a code of length 24 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+180x^40+204x^41+740x^42+1104x^43+2370x^44+2400x^45+7164x^46+7884x^47+10068x^48+13008x^49+7932x^50+3254x^51+1614x^52+528x^53+272x^54+252x^55+36x^56+30x^57+6x^58+2x^60

The gray image is a code over GF(3) with n=216, k=10 and d=120.
This code was found by Heurico 1.16 in 2.8 seconds.