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

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+996x^140+1670x^141+1182x^142+2250x^143+2534x^144+930x^145+1734x^146+1764x^147+1014x^148+1686x^149+1330x^150+402x^151+792x^152+796x^153+192x^154+306x^155+76x^156+6x^158+6x^159+6x^160+6x^161+2x^162+2x^165

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 1.42 seconds.