The generator matrix

 1  0  1  1  1  1  1 X+6  1  1  1 2X  1  1  1  0  1  1  1 2X  1  1  1 X+6  1  1  1  1  1  1  0  1  1 2X  1  1  1 X+6  1  1 X+6  0  1 X+3  1 2X  1  1  1 X+3  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1 2X+3  3  3  1  1  1  1 X+6 X+3  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0
 0  1 2X+7  8 X+6 X+1 X+5  1  7 2X 2X+8  1  8  0 2X+7  1 X+5 2X+8 X+1  1 X+6 2X  7  1  8 X+5 2X+8 2X+2  3 2X+7  1 X+1 X+6  1  7 2X+7  2  1 2X X+2  1  1  0  1  7  1 2X X+1 X+3  1 2X+8  0 2X+4  4 X+5 X+8 2X+3 2X+5  8 X+4  4 2X+6  3  1 X+5  1  1  1 X+6 X+3 2X X+3  1  1  5  2 X+1  X  2 2X+8 X+7 2X+4 2X+3  7 X+4  5 X+3  3  2  1
 0  0  6  0  0  0  0  0  0  3  3  3  3  3  6  3  3  3  3  6  6  6  3  6  6  6  3  3  6  6  3  6  6  3  3  3  6  0  6  0  3  0  0  6  6  6  6  6  0  3  0  3  3  0  6  3  3  6  0  0  0  3  0  0  0  6  6  6  3  3  0  3  0  0  0  6  0  6  3  0  3  6  6  6  6  3  3  6  3  0
 0  0  0  3  0  3  6  0  6  0  6  6  6  0  0  3  3  3  0  0  6  3  0  0  3  6  6  3  0  6  0  3  0  0  6  3  0  6  3  0  3  3  6  6  3  6  6  3  6  6  0  3  6  0  6  0  6  0  3  0  6  6  3  6  3  3  0  3  6  0  3  3  0  3  3  6  0  3  0  6  0  6  0  6  0  3  3  3  0  0
 0  0  0  0  6  6  0  6  6  6  6  3  3  0  3  3  3  6  3  0  3  3  0  6  0  0  0  0  0  6  6  6  6  0  6  6  6  3  0  6  6  3  0  3  0  6  6  3  3  0  3  3  0  0  3  3  3  3  3  3  3  0  6  0  0  3  0  0  6  0  0  6  3  0  6  6  6  3  6  3  0  0  6  3  6  3  0  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+206x^171+378x^172+702x^173+946x^174+1098x^175+1296x^176+964x^177+1638x^178+1782x^179+1024x^180+2178x^181+2052x^182+1058x^183+1494x^184+1296x^185+560x^186+468x^187+162x^188+158x^189+36x^190+114x^192+42x^195+20x^198+4x^207+6x^210

The gray image is a code over GF(3) with n=810, k=9 and d=513.
This code was found by Heurico 1.16 in 1.9 seconds.