The generator matrix

 1  0  0  0  1  1  1  1 2X  1  1  1  1  0  X  1  X  1  1  1  1  0  1  X  1  1  1  X 2X
 0  1  0  0  0  1 2X  2  1 2X+1 X+2 2X X+2  1  X 2X+2  1 X+2  0 X+2  1  1 X+1  1  X X+1 2X+2  1  0
 0  0  1  0  0  2 2X+1  2 2X  X X+1 2X+2 2X+1 X+1  1  2  1  1 2X+2 2X+2 X+1 2X  0 X+2  0 2X+1 X+1 2X+2  1
 0  0  0  1  1 X+1 2X+2 2X 2X+1  2 2X 2X+2 X+1  X  2 X+1 X+1 2X+2  X  2 2X+1  2  1  0 2X+2  X 2X+2 X+2 X+1
 0  0  0  0 2X 2X  X  0 2X 2X 2X 2X  0 2X 2X  X  X  0 2X  X  X  0  0  0  X  X 2X  X  X

generates a code of length 29 over Z3[X]/(X^2) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+324x^48+204x^49+306x^50+1056x^51+492x^52+702x^53+1790x^54+864x^55+888x^56+2480x^57+1098x^58+1182x^59+2728x^60+1038x^61+900x^62+1950x^63+612x^64+336x^65+542x^66+66x^67+60x^68+46x^69+12x^72+2x^75+4x^78

The gray image is a linear code over GF(3) with n=87, k=9 and d=48.
This code was found by Heurico 1.16 in 2.21 seconds.