The generator matrix

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

generates a code of length 80 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 154.

Homogenous weight enumerator: w(x)=1x^0+1164x^154+1734x^155+1308x^156+2244x^157+2088x^158+1138x^159+1968x^160+1548x^161+966x^162+1290x^163+1254x^164+414x^165+1032x^166+672x^167+280x^168+396x^169+150x^170+20x^171+6x^173+6x^175+4x^177

The gray image is a code over GF(3) with n=720, k=9 and d=462.
This code was found by Heurico 1.16 in 1.33 seconds.