The generator matrix

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

generates a code of length 89 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 173.

Homogenous weight enumerator: w(x)=1x^0+378x^173+916x^174+972x^175+924x^176+686x^177+414x^179+400x^180+558x^182+590x^183+486x^184+156x^185+70x^186+4x^192+2x^198+2x^201+2x^216

The gray image is a code over GF(3) with n=801, k=8 and d=519.
This code was found by Heurico 1.16 in 1.37 seconds.