The generator matrix

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

generates a code of length 22 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+444x^36+540x^39+486x^40+4662x^42+1944x^43+8160x^45+1944x^46+1188x^48+144x^51+170x^54

The gray image is a code over GF(3) with n=198, k=9 and d=108.
This code was found by Heurico 1.16 in 91.9 seconds.