The generator matrix

 1  0  0  0  1  1  1  3  1  1  1  1  1  1  1 2X  0  3  1  1  1 2X+6 2X+3  1 X+6 X+3  1  1  1  1  0  1  1  1  X  1 X+6  1  1  1  1  X  1  1  0  1 2X  1
 0  1  0  0  3  1  7  1  X X+6 2X+8 2X+5 2X+1  3 X+4  1  1 2X 2X+5  4 X+2  1  1 X+8  3  1  4 2X+2 2X+4 2X+7  1 2X+4 X+8 2X+3  1 2X+2 2X X+5 2X+1  2 X+8  1  X 2X+5  1  X 2X+6 X+2
 0  0  1  0 2X+4 2X+1 X+2 2X+4 X+1 X+5  6  4 2X+7 X+6 2X 2X+8  1  1 2X+8  X 2X+5  1  5 2X+3  1  5 2X+2 2X+6  1 2X+6 2X+3 2X+2 X+2  2 2X+8 X+4  1 X+1 2X+6  6 X+4 2X 2X+1 X+5  1 2X+8  1  5
 0  0  0  1 2X+2  6 2X+8 2X+8  7  X  1 X+6  8  5 X+7 X+1 2X+6  1 X+8 X+2 X+4  7 2X+5  3 2X+5 2X+6 X+6  2 X+1 2X+6 2X+1  4 2X+3  1  7 2X+4 2X+4 2X+7  X X+5 2X+2 2X+2 X+7  4  3  6 2X  2

generates a code of length 48 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+1374x^86+1870x^87+5460x^88+8772x^89+12658x^90+21156x^91+27774x^92+34150x^93+50298x^94+57918x^95+60736x^96+67848x^97+61686x^98+46560x^99+35994x^100+20664x^101+8606x^102+5244x^103+1980x^104+352x^105+96x^106+102x^107+40x^108+36x^109+36x^110+24x^111+6x^112

The gray image is a code over GF(3) with n=432, k=12 and d=258.
This code was found by Heurico 1.16 in 328 seconds.