The generator matrix

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

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+192x^179+102x^180+186x^182+104x^183+72x^185+24x^186+24x^188+4x^192+2x^198+12x^200+6x^201

The gray image is a linear code over GF(3) with n=273, k=6 and d=179.
This code was found by Heurico 1.13 in 0.164 seconds.