The generator matrix

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

generates a code of length 36 over Z3[X]/(X^3) who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+720x^72+8x^81

The gray image is a linear code over GF(3) with n=324, k=6 and d=216.
This code was found by Heurico 1.16 in 0.0072 seconds.