The generator matrix

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

generates a code of length 30 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+48x^49+178x^51+360x^52+260x^54+588x^55+486x^56+312x^57+3786x^58+1944x^59+654x^60+6978x^61+1944x^62+468x^63+924x^64+120x^66+378x^67+126x^69+60x^70+54x^72+14x^78

The gray image is a code over GF(3) with n=270, k=9 and d=147.
This code was found by Heurico 1.16 in 95.3 seconds.