The generator matrix

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

generates a code of length 52 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 91.

Homogenous weight enumerator: w(x)=1x^0+60x^91+94x^93+168x^94+220x^96+654x^97+764x^99+1074x^100+3232x^102+2562x^103+5150x^105+3048x^106+1194x^108+732x^109+128x^111+294x^112+42x^114+132x^115+36x^117+24x^118+30x^120+20x^123+10x^126+6x^129+4x^132+2x^135+2x^138

The gray image is a code over GF(3) with n=468, k=9 and d=273.
This code was found by Heurico 1.16 in 1.86 seconds.