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

generates a code of length 88 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+530x^171+750x^172+972x^173+986x^174+582x^175+300x^177+666x^178+552x^180+402x^181+486x^182+292x^183+30x^184+2x^186+4x^189+2x^198+2x^204+2x^213

The gray image is a code over GF(3) with n=792, k=8 and d=513.
This code was found by Heurico 1.16 in 0.482 seconds.