The generator matrix

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

generates a code of length 75 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 144.

Homogenous weight enumerator: w(x)=1x^0+238x^144+48x^145+1008x^146+834x^147+192x^148+792x^149+1076x^150+138x^151+324x^152+752x^153+96x^154+720x^155+226x^156+6x^157+72x^158+20x^159+6x^160+6x^162+2x^177+2x^189+2x^192

The gray image is a code over GF(3) with n=675, k=8 and d=432.
This code was found by Heurico 1.16 in 0.297 seconds.