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

generates a code of length 75 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 143.

Homogenous weight enumerator: w(x)=1x^0+252x^143+250x^144+72x^145+534x^146+126x^147+594x^148+1200x^149+606x^150+1188x^151+1062x^152+66x^153+90x^154+162x^155+52x^156+54x^158+18x^159+84x^161+80x^162+42x^164+6x^167+6x^168+6x^170+8x^171+2x^210

The gray image is a code over GF(3) with n=675, k=8 and d=429.
This code was found by Heurico 1.16 in 1.13 seconds.