The generator matrix

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

generates a code of length 91 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 169.

Homogenous weight enumerator: w(x)=1x^0+432x^169+966x^170+3098x^171+5886x^172+7824x^173+11272x^174+15768x^175+18738x^176+25140x^177+28884x^178+34644x^179+38570x^180+42756x^181+46482x^182+47090x^183+43248x^184+39672x^185+35158x^186+29136x^187+20856x^188+14900x^189+9846x^190+5196x^191+3030x^192+1680x^193+474x^194+260x^195+168x^196+72x^197+32x^198+42x^199+24x^200+42x^201+18x^202+12x^203+12x^204+6x^205+6x^208

The gray image is a code over GF(3) with n=819, k=12 and d=507.
This code was found by Heurico 1.16 in 668 seconds.