The generator matrix

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

generates a code of length 23 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+216x^40+264x^42+330x^43+648x^44+434x^45+2316x^46+1296x^47+378x^48+360x^49+114x^51+138x^52+22x^54+42x^55+2x^63

The gray image is a code over GF(3) with n=207, k=8 and d=120.
This code was found by Heurico 1.16 in 0.0815 seconds.