The generator matrix

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

generates a code of length 33 over Z3[X]/(X^3) who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+572x^63+198x^64+556x^66+252x^67+556x^69+36x^70+12x^72+2x^75+2x^78

The gray image is a linear code over GF(3) with n=297, k=7 and d=189.
This code was found by Heurico 1.16 in 55 seconds.