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

generates a code of length 49 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 89.

Homogenous weight enumerator: w(x)=1x^0+336x^89+304x^90+738x^92+378x^93+324x^94+930x^95+2304x^96+1296x^97+4908x^98+4312x^99+1296x^100+894x^101+372x^102+504x^104+174x^105+282x^107+108x^108+114x^110+58x^111+42x^113+6x^114+2x^138

The gray image is a code over GF(3) with n=441, k=9 and d=267.
This code was found by Heurico 1.16 in 3.04 seconds.