The generator matrix

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

generates a code of length 31 over Z3[X]/(X^2) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+88x^48+24x^49+24x^50+202x^51+174x^52+294x^53+220x^54+522x^55+756x^56+292x^57+1554x^58+1770x^59+270x^60+2388x^61+2778x^62+192x^63+2394x^64+2106x^65+324x^66+1338x^67+906x^68+294x^69+354x^70+114x^71+144x^72+104x^75+44x^78+10x^81+2x^84

The gray image is a linear code over GF(3) with n=93, k=9 and d=48.
This code was found by Heurico 1.16 in 2.42 seconds.