The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  X  1  1  0  1  1  X  1  X  X  X  X  1  X
 0  X  0  0 2X X+6  X 2X+6 2X  3  6 X+6 X+6 2X+6 2X  6 X+3 2X+6  X X+6  X 2X  3 2X+3  0 X+6 2X+6  X  X  6  6  3 2X  6 2X+3 2X 2X+3  X X+6 2X+6 2X+3 X+6 X+6 2X+6  0  0  6  0 2X+6  X  X X+3  6  6  0 2X  3  6  X  0  3 X+6 2X+3  X 2X X+6 X+3  0 X+6
 0  0  X 2X  3 2X+6  X X+6 2X+3 2X+6  0 2X+6  3 2X  3  X  X X+3 2X  0 X+3 2X 2X+6 X+3 X+3  0  6 2X+6  X  0 2X+6  3 X+3  X  6 X+3 2X+3 X+3 2X  3 2X  6 2X+3  X 2X 2X+3  6  3  0  3 2X+6 X+6 2X+6 X+3  X 2X+3 X+3  6  3  3 X+3 2X+6 2X X+3 2X  6  6 2X+6 2X+6
 0  0  0  3  0  0  0  0  0  0  6  3  6  3  6  6  3  6  6  3  6  6  6  3  3  6  3  6  6  3  3  0  6  3  6  3  6  0  3  3  6  3  0  0  0  6  6  3  0  0  0  3  0  0  6  0  0  3  6  0  3  3  3  0  3  6  3  6  0

generates a code of length 69 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 131.

Homogenous weight enumerator: w(x)=1x^0+324x^131+238x^132+924x^134+116x^135+2034x^137+114x^138+2022x^140+94x^141+324x^143+66x^144+78x^146+12x^147+48x^149+82x^150+48x^152+4x^153+30x^155+2x^180

The gray image is a code over GF(3) with n=621, k=8 and d=393.
This code was found by Heurico 1.16 in 23.9 seconds.