The generator matrix

 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  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  X  X  1
 0  X 2X  0 X+3 2X X+3 2X+6  0  6 X+3 2X  0 X+6 2X+3  6 X+3 2X+6  6  X  6 2X+6  X 2X+6  3  X 2X  0  0  6  6 X+3 X+3  X  X 2X 2X+6 2X 2X+6  6 X+6 2X+6 X+3  0  0 2X+3  6 X+6 X+6  X  6 2X 2X+3 2X+3  0 X+3 X+6  X 2X 2X+6 2X 2X+6 X+3 X+6  X  3  3  3  3  3 2X+3 2X+3  3  3  3 X+6 X+6 X+6 2X+3 2X+3 2X+3  0 X+3 2X  0 X+3  6  0  6 X+3 2X 2X
 0  0  6  0  3  0  6  3  6  3  3  0  6  3  3  0  0  3  3  6  6  6  6  0  3  0  6  0  6  3  6  3  6  3  3  3  6  3  3  6  6  6  6  3  3  6  0  0  0  0  0  0  0  0  3  0  6  3  6  0  3  0  0  3  6  0  0  3  0  3  6  3  6  6  6  0  6  3  0  6  3  0  3  0  0  6  0  6  3  3  3  0
 0  0  0  6  6  6  3  3  3  6  3  3  0  0  6  3  6  0  3  6  6  3  0  0  0  3  6  3  6  0  0  0  0  6  3  3  6  0  6  3  3  0  6  6  3  3  6  0  3  6  0  0  6  3  0  3  6  0  3  6  6  3  0  6  3  3  0  3  6  6  6  3  3  6  0  6  0  3  0  0  0  0  3  0  6  0  3  3  3  6  0  0

generates a code of length 92 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 180.

Homogenous weight enumerator: w(x)=1x^0+180x^180+324x^182+180x^183+486x^184+648x^185+306x^186+60x^189+2x^270

The gray image is a code over GF(3) with n=828, k=7 and d=540.
This code was found by Heurico 1.16 in 0.492 seconds.