The generator matrix

 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  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  1  1  1  1  1  1  1  1  1  1  X  1  1  1  1  1  X  1  1  1  1  X  1  1  X  1  1  1  X  X  1  1  X
 0  X  0  0 2X X+3 2X+3  X 2X X+3  3  0 X+3 2X+3  6 2X 2X+3 X+3  3  0 2X+3  X X+6  X 2X+3 2X  6 2X+6 2X 2X  6 X+6  3 X+6  6 2X X+6 2X+3 2X+3  0 2X+3  X  0 2X 2X  0 X+6 X+3  6 X+3  3 X+6  6 2X+3  3 X+3  3  X X+6 X+6  3 X+6  X  3 2X+6 X+6  6 X+3 X+3  6 2X+3  6 X+3  3 2X+6  6 X+3  X  3 2X+6  X 2X  6  6  3
 0  0  X 2X  0 2X+6 X+6  X 2X+6 2X+3  X  3 X+6 X+6 2X  3 2X  0 2X+6  6 X+6  0 2X+6 X+6  0 2X+6 X+3 X+6  6 2X+3 X+3 2X+6  6 X+3 X+6  6  3 2X  X 2X+6 2X 2X+3  0  6 2X+3 2X+3 2X+6 X+3 2X  X  X  6  3  3 X+6 X+6  0  X  3 X+6 2X+3 2X X+3 X+3 2X+6 2X+6 X+3  0  6 X+3 2X+6  0 2X 2X  X 2X 2X+6 X+3  6  3  X 2X+6 2X+3 X+6 X+3
 0  0  0  6  0  0  3  0  0  6  3  6  3  6  3  0  0  3  0  6  3  6  3  6  0  3  0  3  6  3  3  3  6  0  6  3  0  6  6  3  0  3  3  3  6  0  6  0  6  3  0  6  3  6  6  3  0  6  0  6  0  0  3  3  3  6  6  6  0  6  6  3  6  3  6  6  3  3  3  3  6  3  3  0  0
 0  0  0  0  6  3  0  6  3  0  3  6  0  0  0  0  0  3  0  0  6  6  6  3  3  3  3  3  3  0  6  3  3  0  3  6  6  3  3  6  6  0  3  0  0  6  3  3  3  3  6  0  0  0  6  6  6  6  3  0  3  0  3  0  6  6  0  3  3  6  3  6  3  6  6  0  6  3  3  6  6  6  3  3  0

generates a code of length 85 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 159.

Homogenous weight enumerator: w(x)=1x^0+344x^159+1048x^162+162x^164+1234x^165+324x^166+1458x^167+1902x^168+1296x^169+3888x^170+2398x^171+1296x^172+1782x^173+1098x^174+504x^177+458x^180+270x^183+130x^186+80x^189+8x^192+2x^234

The gray image is a code over GF(3) with n=765, k=9 and d=477.
This code was found by Heurico 1.16 in 3.03 seconds.