The generator matrix

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

generates a code of length 30 over Z3[X]/(X^2) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+64x^48+102x^49+96x^50+542x^51+318x^52+330x^53+1246x^54+558x^55+654x^56+1960x^57+978x^58+1236x^59+2896x^60+1050x^61+1236x^62+2612x^63+840x^64+642x^65+1236x^66+432x^67+180x^68+286x^69+90x^70+56x^72+6x^73+32x^75+2x^78+2x^84

The gray image is a linear code over GF(3) with n=90, k=9 and d=48.
This code was found by Heurico 1.16 in 2.08 seconds.