The generator matrix

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

generates a code of length 72 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 131.

Homogenous weight enumerator: w(x)=1x^0+126x^131+156x^132+180x^133+504x^134+344x^135+918x^136+1752x^137+1224x^138+2556x^139+4350x^140+1970x^141+5598x^142+7026x^143+3420x^144+6930x^145+7734x^146+2430x^147+4572x^148+3726x^149+1014x^150+1026x^151+768x^152+164x^153+90x^154+180x^155+104x^156+60x^158+28x^159+18x^161+28x^162+20x^165+10x^168+10x^171+2x^174+6x^177+2x^180+2x^186

The gray image is a code over GF(3) with n=648, k=10 and d=393.
This code was found by Heurico 1.16 in 16.4 seconds.