The generator matrix

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

generates a code of length 77 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 142.

Homogenous weight enumerator: w(x)=1x^0+606x^142+1656x^143+4446x^144+6672x^145+9528x^146+13040x^147+19170x^148+23106x^149+28904x^150+35424x^151+40770x^152+47544x^153+50340x^154+49092x^155+49088x^156+44724x^157+35364x^158+27586x^159+19188x^160+11634x^161+6672x^162+3774x^163+1668x^164+776x^165+300x^166+120x^167+24x^168+78x^169+66x^170+20x^171+18x^172+12x^173+18x^174+12x^175

The gray image is a code over GF(3) with n=693, k=12 and d=426.
This code was found by Heurico 1.16 in 547 seconds.