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

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+438x^87+1312x^90+180x^91+486x^92+1686x^93+1890x^94+1944x^95+2772x^96+3456x^97+1944x^98+1826x^99+306x^100+768x^102+456x^105+180x^108+30x^111+6x^114+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 1.42 seconds.