The generator matrix

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

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+188x^30+42x^31+204x^32+464x^33+228x^34+228x^35+926x^36+522x^37+522x^38+1084x^39+534x^40+372x^41+772x^42+132x^43+132x^44+196x^45+6x^48+6x^51+2x^54

The gray image is a linear code over GF(3) with n=57, k=8 and d=30.
This code was found by Heurico 1.16 in 0.133 seconds.