The generator matrix

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

generates a code of length 88 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 168.

Homogenous weight enumerator: w(x)=1x^0+316x^168+666x^169+504x^170+1586x^171+1512x^172+1170x^173+1974x^174+1908x^175+1260x^176+1956x^177+1602x^178+792x^179+1538x^180+1134x^181+558x^182+440x^183+468x^184+90x^185+48x^186+24x^189+50x^192+56x^195+8x^198+20x^201+2x^207

The gray image is a code over GF(3) with n=792, k=9 and d=504.
This code was found by Heurico 1.16 in 1.88 seconds.