The generator matrix

 1  0  1  1  1  1  1  1  3  1  0  1  3  1  3  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 2X  1 X+3 2X+6  X  1 2X+6  1  1  1  1 2X  1  1  1  1 2X  1  1  X  1  1  1  1 2X+3  1  1  1  1  1  1  1  1  1  0  1  1  X  1  1
 0  1  1  8  3  2  0  4  1  8  1 2X+4  1 X+1  1  1 X+3  5 2X+6 X+2 X+1 2X+2 2X+7  X 2X+6  X  1  4 X+2 2X+8 2X+3 X+4 X+8  1 2X+8  1  1  1  1  1 2X+4  0  X  6  1 X+4 2X+1 2X+2 X+8  1  7 X+1  1 2X X+6 X+6  0  1 X+1 X+4  5 X+8  X 2X+7  1 2X+1  5  1  5 X+2 X+3  3  6
 0  0 2X  6 X+6 X+3 2X+6 2X+3  X 2X+6 2X+6  3  6  X X+6 2X+3 2X  X X+3 2X+3  3  6 X+6 X+3 2X+6  3  X  6  0 2X+6  0 2X  X 2X X+3 2X  0 X+3 X+6 X+3 2X+3  3 2X+3  X  6  6 X+3 2X+3  3  3  0 X+3  3  6  6 2X 2X  X  0 X+6 X+6 X+6  0 2X+6 2X+6  6 2X  3 2X+3 X+3 2X+6  6 2X+6

generates a code of length 73 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+518x^141+672x^142+480x^143+1150x^144+750x^145+318x^146+702x^147+378x^148+216x^149+468x^150+354x^151+108x^152+296x^153+114x^154+6x^155+4x^156+2x^159+6x^161+8x^162+8x^165+2x^168

The gray image is a code over GF(3) with n=657, k=8 and d=423.
This code was found by Heurico 1.16 in 0.222 seconds.