The generator matrix

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

generates a code of length 21 over Z3[X]/(X^2) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+70x^30+42x^31+360x^32+594x^33+564x^34+1596x^35+1744x^36+1554x^37+4368x^38+3894x^39+3504x^40+7644x^41+6314x^42+4026x^43+7746x^44+5014x^45+2766x^46+3948x^47+1752x^48+666x^49+582x^50+272x^51+18x^54+8x^57+2x^60

The gray image is a linear code over GF(3) with n=63, k=10 and d=30.
This code was found by Heurico 1.16 in 8.83 seconds.