The generator matrix

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

generates a code of length 23 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+102x^38+148x^39+504x^40+444x^41+614x^42+888x^43+1998x^44+1804x^45+5298x^46+3480x^47+1714x^48+1278x^49+654x^50+262x^51+264x^52+108x^53+70x^54+30x^55+18x^56+4x^57

The gray image is a code over GF(3) with n=207, k=9 and d=114.
This code was found by Heurico 1.16 in 0.54 seconds.