The generator matrix

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

generates a code of length 30 over Z3[X]/(X^2) who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+348x^50+298x^51+1314x^53+986x^54+2070x^56+1106x^57+2988x^59+1488x^60+3462x^62+1678x^63+2214x^65+764x^66+678x^68+192x^69+48x^71+40x^72+2x^75+2x^78+4x^81

The gray image is a linear code over GF(3) with n=90, k=9 and d=50.
This code was found by Heurico 1.16 in 2.39 seconds.