The generator matrix

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

generates a code of length 80 over Z9[X]/(X^2+6,3X) 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 0.35 seconds.