The generator matrix

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

generates a code of length 75 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 144.

Homogenous weight enumerator: w(x)=1x^0+1140x^144+1176x^145+1560x^146+2696x^147+1824x^148+1134x^149+2184x^150+1254x^151+1200x^152+1698x^153+1092x^154+504x^155+986x^156+342x^157+288x^158+442x^159+132x^160+6x^161+2x^162+6x^164+2x^165+12x^166+2x^168

The gray image is a code over GF(3) with n=675, k=9 and d=432.
This code was found by Heurico 1.16 in 1.05 seconds.