The generator matrix

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

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+466x^171+288x^172+864x^173+1438x^174+1638x^175+2430x^176+2442x^177+3636x^178+4284x^179+2966x^180+6102x^181+5922x^182+3274x^183+6174x^184+5454x^185+2518x^186+3276x^187+2466x^188+1186x^189+684x^190+450x^191+430x^192+72x^193+318x^195+164x^198+60x^201+30x^204+10x^207+2x^213+4x^216

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 14.2 seconds.