The generator matrix

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

generates a code of length 80 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 148.

Homogenous weight enumerator: w(x)=1x^0+780x^148+2202x^149+4134x^150+7620x^151+9990x^152+13496x^153+18678x^154+23964x^155+27838x^156+35118x^157+42072x^158+44542x^159+49662x^160+51750x^161+47186x^162+42048x^163+35262x^164+26216x^165+20580x^166+13584x^167+6998x^168+4302x^169+1824x^170+808x^171+414x^172+120x^173+54x^174+114x^175+12x^176+18x^177+12x^178+12x^179+24x^180+6x^181

The gray image is a code over GF(3) with n=720, k=12 and d=444.
This code was found by Heurico 1.16 in 576 seconds.