The generator matrix

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

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+882x^128+1068x^129+2178x^130+4146x^131+3186x^132+4950x^133+5886x^134+4912x^135+5418x^136+6378x^137+3432x^138+4734x^139+4542x^140+2490x^141+1908x^142+1710x^143+644x^144+252x^145+216x^146+36x^147+18x^149+12x^150+18x^152+14x^153+12x^155+6x^158

The gray image is a code over GF(3) with n=612, k=10 and d=384.
This code was found by Heurico 1.16 in 8.69 seconds.