The generator matrix

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

generates a code of length 75 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 140.

Homogenous weight enumerator: w(x)=1x^0+486x^140+384x^141+612x^142+2340x^143+1674x^144+2178x^145+4692x^146+2924x^147+4086x^148+8088x^149+3720x^150+4950x^151+8514x^152+3506x^153+3492x^154+3888x^155+1302x^156+720x^157+702x^158+138x^159+222x^161+106x^162+126x^164+72x^165+84x^167+6x^168+12x^170+14x^171+6x^173+4x^174

The gray image is a code over GF(3) with n=675, k=10 and d=420.
This code was found by Heurico 1.16 in 11 seconds.