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

generates a code of length 73 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 135.

Homogenous weight enumerator: w(x)=1x^0+186x^135+138x^136+138x^137+544x^138+210x^139+198x^140+746x^141+1224x^142+336x^143+1994x^144+4098x^145+252x^146+3024x^147+4128x^148+216x^149+700x^150+144x^151+162x^152+312x^153+108x^154+66x^155+290x^156+72x^157+54x^158+128x^159+72x^160+24x^161+72x^162+12x^163+12x^164+8x^165+10x^168+2x^174+2x^201

The gray image is a code over GF(3) with n=657, k=9 and d=405.
This code was found by Heurico 1.16 in 2.51 seconds.