The generator matrix

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

generates a code of length 82 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 159.

Homogenous weight enumerator: w(x)=1x^0+592x^159+684x^160+552x^161+1096x^162+468x^163+474x^164+618x^165+378x^166+312x^167+524x^168+294x^169+120x^170+300x^171+114x^172+6x^175+6x^177+4x^180+16x^183+2x^192

The gray image is a code over GF(3) with n=738, k=8 and d=477.
This code was found by Heurico 1.16 in 0.364 seconds.