The generator matrix

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

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+84x^154+540x^155+940x^156+36x^157+1188x^158+822x^159+216x^160+756x^161+80x^162+120x^163+702x^164+732x^165+18x^166+216x^167+92x^168+12x^172+2x^183+4x^195

The gray image is a code over GF(3) with n=720, k=8 and d=462.
This code was found by Heurico 1.16 in 0.351 seconds.