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

generates a code of length 48 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 87.

Homogenous weight enumerator: w(x)=1x^0+498x^87+72x^89+1138x^90+900x^92+1518x^93+972x^94+3024x^95+3382x^96+1944x^97+3114x^98+1496x^99+180x^101+764x^102+492x^105+144x^108+38x^111+2x^120+2x^123+2x^126

The gray image is a code over GF(3) with n=432, k=9 and d=261.
This code was found by Heurico 1.16 in 4.15 seconds.