The generator matrix

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

generates a code of length 75 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 136.

Homogenous weight enumerator: w(x)=1x^0+54x^136+140x^138+462x^139+216x^140+642x^141+1614x^142+738x^143+1734x^144+3528x^145+2196x^146+3920x^147+5394x^148+3978x^149+6342x^150+7644x^151+3636x^152+4790x^153+5094x^154+2016x^155+1754x^156+1902x^157+342x^158+168x^159+462x^160+70x^162+72x^163+58x^165+18x^166+12x^168+12x^171+4x^174+18x^177+4x^180+10x^183+4x^189

The gray image is a code over GF(3) with n=675, k=10 and d=408.
This code was found by Heurico 1.16 in 12 seconds.