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

generates a code of length 51 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 93.

Homogenous weight enumerator: w(x)=1x^0+570x^93+54x^94+54x^95+1086x^96+108x^97+432x^98+1588x^99+2268x^100+1134x^101+3228x^102+4644x^103+1080x^104+1556x^105+216x^106+216x^107+724x^108+480x^111+182x^114+52x^117+6x^120+2x^123+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 5.88 seconds.