The generator matrix

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

generates a code of length 68 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 128.

Homogenous weight enumerator: w(x)=1x^0+276x^128+262x^129+558x^130+1386x^131+1178x^132+1440x^133+2298x^134+1520x^135+1482x^136+2640x^137+1914x^138+1290x^139+1560x^140+572x^141+522x^142+438x^143+86x^144+30x^145+84x^146+18x^147+6x^148+42x^149+14x^150+18x^152+20x^153+18x^154+6x^155+2x^156+2x^162

The gray image is a code over GF(3) with n=612, k=9 and d=384.
This code was found by Heurico 1.16 in 1.28 seconds.