The generator matrix

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

generates a code of length 29 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+888x^53+764x^54+1260x^55+3732x^56+1602x^57+1854x^58+4818x^59+1386x^60+1260x^61+1704x^62+360x^63+30x^65+18x^66+6x^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 0.338 seconds.