The generator matrix

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

generates a code of length 76 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 144.

Homogenous weight enumerator: w(x)=1x^0+1148x^144+1458x^145+2232x^146+4384x^147+3996x^148+3906x^149+5630x^150+5022x^151+4014x^152+6052x^153+4734x^154+3654x^155+4578x^156+2808x^157+1980x^158+1720x^159+864x^160+252x^161+392x^162+72x^163+92x^165+48x^168+12x^171

The gray image is a code over GF(3) with n=684, k=10 and d=432.
This code was found by Heurico 1.16 in 93.1 seconds.