The generator matrix

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

generates a code of length 29 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 51.

Homogenous weight enumerator: w(x)=1x^0+312x^51+216x^52+1462x^54+1296x^55+972x^56+4152x^57+2592x^58+1944x^59+4414x^60+1728x^61+500x^63+60x^66+22x^69+8x^72+4x^78

The gray image is a code over GF(3) with n=261, k=9 and d=153.
This code was found by Heurico 1.16 in 24.4 seconds.