The generator matrix

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

generates a code of length 76 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 147.

Homogenous weight enumerator: w(x)=1x^0+232x^147+1194x^148+660x^149+394x^150+996x^151+450x^152+254x^153+768x^154+390x^155+230x^156+684x^157+108x^158+90x^159+72x^160+6x^161+6x^169+6x^170+10x^171+6x^175+2x^177+2x^180

The gray image is a code over GF(3) with n=684, k=8 and d=441.
This code was found by Heurico 1.16 in 0.304 seconds.