The generator matrix

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

generates a code of length 91 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 173.

Homogenous weight enumerator: w(x)=1x^0+150x^173+432x^174+468x^175+1470x^176+1116x^177+846x^178+1458x^179+1292x^180+846x^181+2394x^182+1844x^183+1314x^184+2124x^185+1356x^186+774x^187+888x^188+382x^189+126x^190+150x^191+70x^192+78x^194+42x^195+30x^197+8x^198+6x^200+4x^201+4x^204+8x^210+2x^231

The gray image is a code over GF(3) with n=819, k=9 and d=519.
This code was found by Heurico 1.16 in 1.96 seconds.