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

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

Homogenous weight enumerator: w(x)=1x^0+594x^150+1052x^153+108x^154+1622x^156+648x^157+1458x^158+2958x^159+2754x^160+2916x^161+2734x^162+864x^163+746x^165+506x^168+360x^171+224x^174+98x^177+36x^180+2x^186+2x^225

The gray image is a code over GF(3) with n=720, k=9 and d=450.
This code was found by Heurico 1.16 in 4.33 seconds.