The generator matrix

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

generates a code of length 76 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+488x^141+720x^142+2040x^143+3648x^144+4776x^145+6042x^146+8924x^147+8478x^148+11652x^149+16642x^150+14040x^151+16230x^152+18452x^153+14664x^154+14268x^155+13316x^156+8124x^157+6042x^158+4544x^159+1908x^160+900x^161+618x^162+168x^163+96x^164+98x^165+48x^166+54x^167+58x^168+36x^169+18x^170+30x^171+12x^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 79.6 seconds.