The generator matrix

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

generates a code of length 91 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+1130x^171+1098x^172+2430x^173+4578x^174+5274x^175+6696x^176+9174x^177+9774x^178+11232x^179+13708x^180+13914x^181+15174x^182+15492x^183+14670x^184+12672x^185+12396x^186+8802x^187+6858x^188+5052x^189+3024x^190+1674x^191+1272x^192+306x^193+126x^194+300x^195+236x^198+60x^201+18x^204+6x^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 151 seconds.