The generator matrix

 1  0  1  1  1  1  1  X 2X  1  1  1  1  3  1  1  X  1  1  1  1  1  1  X  1  1  1  X  1 X+6  1  1 2X+6  1  1  1  3  1  1  1  1  1 2X+6  1  1  1 X+6  1  6  1  1  1  1  1 2X+3  1  1  6  3  6  1  1  0  1 2X+3  1  1  1  1  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 X+4  3 X+4 X+5  1 2X X+1 2X+2  1 X+3  1 2X+5 2X+1  1  X X+2  5  1  1 2X+1 2X+8 2X+3  1  1  5 X+3 X+1  1  X  1 2X+5  7  5 X+8 X+5  1 2X+4 2X+1  1  1  1 2X  3  1 X+3  1  7 2X+2 2X+8 X+4 2X+6 2X+5 X+6  0  7  6 2X+1
 0  0 2X  0  3  0  0  6  0  3  3  6  6 X+6  X 2X+3 2X 2X X+6 X+6 X+3  X 2X 2X+3 2X 2X  X X+6 2X+3  X  X X+6 2X+3 X+6  0 2X+3 2X+6 X+3 2X+3 2X+6  3  6 2X X+3 X+6 2X X+6 2X X+6 2X+3  3  0 X+6  3 2X 2X+6 X+3  6 X+3  6 X+3 X+3 2X  0  0  6  0 2X+3  6  0 2X+6  3 2X+3  0 2X 2X+3
 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  6 2X+3  X  6 X+3 2X  X  0  X  0  0 X+6 2X+6  6  X  6 2X+6 2X+3  X  3  3 2X+3  6 X+3  3  3 2X+3 X+6 X+6  3 X+6  X 2X+3 2X  X 2X+6 2X+6  3 2X+6 X+3  X X+6 2X  X  0 X+6 2X 2X 2X  0  X  X  3 X+3 2X+6  0 X+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+130x^141+162x^142+474x^143+1162x^144+1542x^145+2490x^146+2366x^147+3180x^148+4356x^149+4392x^150+4962x^151+6612x^152+5330x^153+6024x^154+5736x^155+3442x^156+2484x^157+1782x^158+956x^159+438x^160+300x^161+216x^162+78x^163+72x^164+114x^165+60x^166+18x^167+66x^168+18x^169+30x^170+32x^171+6x^172+18x^174

The gray image is a code over GF(3) with n=684, k=10 and d=423.
This code was found by Heurico 1.16 in 11.2 seconds.