The generator matrix

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

generates a code of length 48 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 91.

Homogenous weight enumerator: w(x)=1x^0+252x^91+402x^92+1018x^93+804x^94+462x^95+1008x^96+558x^97+318x^98+934x^99+432x^100+264x^101+18x^102+36x^103+6x^104+6x^107+14x^108+18x^109+2x^111+6x^112+2x^117

The gray image is a code over GF(3) with n=432, k=8 and d=273.
This code was found by Heurico 1.16 in 0.112 seconds.