The generator matrix

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

generates a code of length 73 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 140.

Homogenous weight enumerator: w(x)=1x^0+990x^140+1308x^141+1482x^142+2880x^143+1868x^144+984x^145+1974x^146+1456x^147+1062x^148+1992x^149+902x^150+660x^151+846x^152+582x^153+186x^154+384x^155+104x^156+6x^158+4x^159+12x^162

The gray image is a code over GF(3) with n=657, k=9 and d=420.
This code was found by Heurico 1.16 in 1.58 seconds.