The generator matrix

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

generates a code of length 33 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 57.

Homogenous weight enumerator: w(x)=1x^0+942x^57+1278x^58+5898x^59+10282x^60+12618x^61+26280x^62+36874x^63+47496x^64+70686x^65+77316x^66+76356x^67+74868x^68+49144x^69+22194x^70+12996x^71+5380x^72+402x^73+198x^74+114x^75+36x^76+72x^77+10x^78

The gray image is a code over GF(3) with n=297, k=12 and d=171.
This code was found by Heurico 1.16 in 240 seconds.