The generator matrix

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

generates a code of length 80 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 150.

Homogenous weight enumerator: w(x)=1x^0+642x^150+342x^151+756x^152+2218x^153+2052x^154+2718x^155+3402x^156+3942x^157+4320x^158+5100x^159+5508x^160+6444x^161+5588x^162+5346x^163+3762x^164+2742x^165+1566x^166+918x^167+708x^168+198x^169+36x^170+284x^171+288x^174+102x^177+52x^180+12x^183+2x^189

The gray image is a code over GF(3) with n=720, k=10 and d=450.
This code was found by Heurico 1.16 in 14.2 seconds.