The generator matrix

 1  0  0  1  1  1  1  1  1  1  1 2X+3  6  1  1 2X  1 2X  1  1  1  6  1  1 2X+6  1  1  1  1
 0  1  0  3 X+3 2X+4 2X+1 X+1 2X+2 X+8  5  1  1 X+6 X+1  1 X+5 2X+6  1  6  4  1 2X+8  2  1 2X+5 X+7  2  1
 0  0  1 2X+4 2X+2 2X+5 2X+1  6 X+3  1 X+8 2X+4  5 2X 2X+3 X+1 X+8  1 X+7  4 X+5 2X+8  0 X+6  3 X+4 2X+7 2X 2X+7

generates a code of length 29 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+912x^53+590x^54+1512x^55+3732x^56+1248x^57+2322x^58+4752x^59+990x^60+1512x^61+1752x^62+318x^63+12x^65+12x^66+18x^68

The gray image is a code over GF(3) with n=261, k=9 and d=159.
This code was found by Heurico 1.16 in 0.261 seconds.