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

generates a code of length 90 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 173.

Homogenous weight enumerator: w(x)=1x^0+384x^173+684x^174+1470x^175+2346x^176+1696x^177+2004x^178+1776x^179+1620x^180+1362x^181+1110x^182+798x^183+858x^184+1182x^185+564x^186+432x^187+510x^188+362x^189+354x^190+132x^191+22x^192+6x^194+2x^195+6x^197+2x^201

The gray image is a code over GF(3) with n=810, k=9 and d=519.
This code was found by Heurico 1.16 in 1.1 seconds.