The generator matrix

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

generates a code of length 90 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+288x^171+1320x^172+1716x^173+3338x^174+3654x^175+3444x^176+4940x^177+4878x^178+3780x^179+5758x^180+5022x^181+3564x^182+4272x^183+3564x^184+2298x^185+2498x^186+1872x^187+972x^188+854x^189+534x^190+222x^191+136x^192+24x^193+12x^194+18x^195+18x^196+18x^197+6x^198+6x^200+12x^202+6x^203+2x^207+2x^213

The gray image is a code over GF(3) with n=810, k=10 and d=513.
This code was found by Heurico 1.16 in 12 seconds.