The generator matrix

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

generates a code of length 77 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 143.

Homogenous weight enumerator: w(x)=1x^0+348x^143+956x^144+1974x^145+3522x^146+5216x^147+6378x^148+7794x^149+10400x^150+11748x^151+13374x^152+16052x^153+16752x^154+15888x^155+16062x^156+14976x^157+11934x^158+9582x^159+5748x^160+3774x^161+2308x^162+1080x^163+582x^164+262x^165+78x^166+90x^167+86x^168+48x^169+36x^170+30x^171+12x^172+6x^173+30x^174+6x^175+8x^177+6x^178

The gray image is a code over GF(3) with n=693, k=11 and d=429.
This code was found by Heurico 1.16 in 80.8 seconds.