The generator matrix

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

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+162x^86+250x^87+252x^88+1272x^89+1266x^90+1656x^91+3354x^92+4220x^93+5058x^94+7062x^95+7624x^96+7362x^97+7344x^98+5376x^99+3042x^100+1992x^101+768x^102+126x^103+444x^104+128x^105+186x^107+24x^108+54x^110+16x^111+8x^114+2x^117

The gray image is a code over GF(3) with n=432, k=10 and d=258.
This code was found by Heurico 1.16 in 7.01 seconds.