The generator matrix

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

generates a code of length 19 over Z3[X]/(X^2) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+60x^30+102x^32+92x^33+294x^35+184x^36+612x^38+186x^39+402x^41+122x^42+48x^44+58x^45+24x^48+2x^51

The gray image is a linear code over GF(3) with n=57, k=7 and d=30.
This code was found by Heurico 1.16 in 0.0161 seconds.