The generator matrix

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

generates a code of length 48 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+1260x^86+2138x^87+5220x^88+8826x^89+13314x^90+20082x^91+27846x^92+37178x^93+44958x^94+59568x^95+62962x^96+66714x^97+61776x^98+47558x^99+33624x^100+20862x^101+10624x^102+4284x^103+1956x^104+384x^105+48x^106+120x^107+66x^108+24x^109+36x^110+6x^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 388 seconds.