The generator matrix

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

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+376x^171+72x^172+378x^173+2232x^174+1188x^175+2160x^176+4098x^177+2160x^178+3708x^179+6228x^180+3330x^181+4608x^182+7320x^183+3996x^184+4428x^185+5310x^186+1998x^187+1908x^188+1786x^189+378x^190+306x^191+486x^192+312x^195+136x^198+96x^201+36x^204+14x^207

The gray image is a code over GF(3) with n=819, k=10 and d=513.
This code was found by Heurico 1.16 in 13.8 seconds.