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

generates a code of length 53 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 99.

Homogenous weight enumerator: w(x)=1x^0+288x^99+36x^100+780x^102+216x^103+162x^104+1362x^105+1404x^106+324x^107+1176x^108+288x^109+214x^111+148x^114+108x^117+50x^120+2x^123+2x^144

The gray image is a code over GF(3) with n=477, k=8 and d=297.
This code was found by Heurico 1.16 in 0.232 seconds.