The generator matrix

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

generates a code of length 81 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 155.

Homogenous weight enumerator: w(x)=1x^0+324x^155+462x^156+1626x^157+2406x^158+1384x^159+2082x^160+1968x^161+1346x^162+1566x^163+1434x^164+738x^165+990x^166+1200x^167+454x^168+648x^169+564x^170+220x^171+210x^172+36x^173+6x^174+6x^176+4x^177+2x^180+6x^184

The gray image is a code over GF(3) with n=729, k=9 and d=465.
This code was found by Heurico 1.16 in 1.18 seconds.