The generator matrix

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

generates a code of length 91 over Z3[X]/(X^2) who´s minimum homogenous weight is 179.

Homogenous weight enumerator: w(x)=1x^0+108x^179+78x^180+324x^182+156x^183+54x^188+2x^189+4x^192+2x^246

The gray image is a linear code over GF(3) with n=273, k=6 and d=179.
This code was found by Heurico 1.16 in 0.145 seconds.