The generator matrix

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

generates a code of length 33 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+258x^58+354x^59+196x^60+516x^61+1146x^62+460x^63+1938x^64+2598x^65+3738x^66+3654x^67+2478x^68+588x^69+600x^70+384x^71+88x^72+276x^73+282x^74+24x^75+30x^76+48x^77+6x^78+18x^79+2x^87

The gray image is a code over GF(3) with n=297, k=9 and d=174.
This code was found by Heurico 1.16 in 83.3 seconds.