The generator matrix

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

generates a code of length 81 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 154.

Homogenous weight enumerator: w(x)=1x^0+312x^154+744x^155+564x^156+1200x^157+1626x^158+1242x^159+1572x^160+2034x^161+1882x^162+1512x^163+1746x^164+1452x^165+1014x^166+1122x^167+408x^168+516x^169+384x^170+26x^171+96x^172+78x^173+10x^174+36x^175+24x^176+36x^178+6x^179+24x^181+6x^182+2x^183+6x^188+2x^198

The gray image is a code over GF(3) with n=729, k=9 and d=462.
This code was found by Heurico 1.16 in 1.62 seconds.