The generator matrix

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

generates a code of length 54 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 103.

Homogenous weight enumerator: w(x)=1x^0+240x^103+558x^104+920x^105+876x^106+558x^107+790x^108+408x^109+498x^110+706x^111+522x^112+318x^113+76x^114+54x^115+2x^120+6x^121+6x^123+12x^125+10x^126

The gray image is a code over GF(3) with n=486, k=8 and d=309.
This code was found by Heurico 1.16 in 0.139 seconds.