The generator matrix

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

generates a code of length 76 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+498x^141+696x^142+2070x^143+3558x^144+4662x^145+6756x^146+7964x^147+9078x^148+12876x^149+14486x^150+13692x^151+17868x^152+17750x^153+14184x^154+15978x^155+11766x^156+8472x^157+6546x^158+4186x^159+1938x^160+918x^161+586x^162+108x^163+102x^164+124x^165+108x^166+36x^167+42x^168+18x^169+24x^170+26x^171+18x^172+6x^173+6x^174

The gray image is a code over GF(3) with n=684, k=11 and d=423.
This code was found by Heurico 1.16 in 71.4 seconds.