The generator matrix

 1  0  1  1  1  1  1  1  3  1  1 X+3  1 X+3  1  0  1  X 2X+3  1 2X  1  1  1 2X 2X+3  1
 0  1  1  8  3  2  0 2X+1  1  7 X+3  1  4  1 2X  1 2X+8  1  1 X+3  1 2X 2X+3 2X+3  1  1  0
 0  0 2X  6 X+6 X+3 2X+6  X  X 2X+3 2X+6 2X+6  3  6 2X+3 2X+3 2X+6 X+3 X+3  6 2X+3 X+3  0 2X  6  X  3

generates a code of length 27 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+168x^49+162x^50+612x^51+1020x^52+432x^53+1656x^54+966x^55+540x^56+528x^57+390x^58+22x^60+42x^61+12x^63+6x^64+2x^69+2x^72

The gray image is a code over GF(3) with n=243, k=8 and d=147.
This code was found by Heurico 1.16 in 0.0366 seconds.