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

generates a code of length 51 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 93.

Homogenous weight enumerator: w(x)=1x^0+504x^93+18x^94+1236x^96+216x^97+486x^98+1678x^99+1836x^100+1944x^101+2940x^102+3384x^103+1944x^104+1542x^105+378x^106+910x^108+402x^111+210x^114+46x^117+6x^120+2x^135

The gray image is a code over GF(3) with n=459, k=9 and d=279.
This code was found by Heurico 1.16 in 36.7 seconds.