The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  1  1  X
 0  X  0  6 2X X+3  X 2X+3 2X  6 X+3 2X+3  3  6  X 2X+6 X+3 2X  0 X+3  3 X+3
 0  0  X 2X+3  6 2X+3  X X+3 2X+6  6 X+3 2X  X  3  6 X+3  3 X+6 2X  X 2X+3 2X+6

generates a code of length 22 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+168x^40+338x^42+228x^43+648x^44+510x^45+162x^46+36x^48+48x^49+2x^51+42x^52+2x^54+2x^60

The gray image is a code over GF(3) with n=198, k=7 and d=120.
This code was found by Heurico 1.16 in 0.103 seconds.