The generator matrix

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

generates a code of length 91 over Z3[X]/(X^3) who´s minimum homogenous weight is 181.

Homogenous weight enumerator: w(x)=1x^0+312x^181+252x^182+156x^184+4x^195+2x^201+2x^228

The gray image is a linear code over GF(3) with n=819, k=6 and d=543.
This code was found by Heurico 1.16 in 13.1 seconds.