The generator matrix

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

generates a code of length 24 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+780x^42+1824x^43+1890x^44+3756x^45+6948x^46+6156x^47+11424x^48+11844x^49+6318x^50+5064x^51+2604x^52+216x^53+86x^54+108x^55+24x^57+6x^60

The gray image is a code over GF(3) with n=216, k=10 and d=126.
This code was found by Heurico 1.16 in 6.46 seconds.