The generator matrix

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

generates a code of length 81 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 153.

Homogenous weight enumerator: w(x)=1x^0+386x^153+18x^154+540x^155+1520x^156+144x^157+1440x^158+2046x^159+432x^160+1800x^161+2910x^162+576x^163+2268x^164+2550x^165+288x^166+1044x^167+1122x^168+198x^170+250x^171+66x^174+54x^177+20x^180+4x^183+2x^189+2x^198+2x^207

The gray image is a code over GF(3) with n=729, k=9 and d=459.
This code was found by Heurico 1.16 in 1.67 seconds.