The generator matrix

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

generates a code of length 22 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+162x^38+138x^39+336x^41+236x^42+4908x^44+134x^45+216x^47+166x^48+186x^50+52x^51+24x^53+2x^66

The gray image is a code over GF(3) with n=198, k=8 and d=114.
This code was found by Heurico 1.16 in 0.0752 seconds.