The generator matrix

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

generates a code of length 82 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 156.

Homogenous weight enumerator: w(x)=1x^0+318x^156+576x^157+702x^158+1282x^159+1800x^160+1026x^161+1554x^162+2592x^163+990x^164+1776x^165+1962x^166+972x^167+942x^168+1548x^169+594x^170+422x^171+270x^172+90x^173+96x^174+84x^177+34x^180+24x^183+14x^186+12x^189+2x^198

The gray image is a code over GF(3) with n=738, k=9 and d=468.
This code was found by Heurico 1.16 in 1.67 seconds.