The generator matrix

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

generates a code of length 91 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+982x^171+1458x^172+2160x^173+4638x^174+5562x^175+6336x^176+9552x^177+10296x^178+9630x^179+13836x^180+15624x^181+12294x^182+16410x^183+16560x^184+11268x^185+12516x^186+9900x^187+6300x^188+5222x^189+2844x^190+1422x^191+1152x^192+450x^193+162x^194+264x^195+164x^198+102x^201+24x^204+18x^207

The gray image is a code over GF(3) with n=819, k=11 and d=513.
This code was found by Heurico 1.16 in 162 seconds.