The generator matrix

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

generates a code of length 69 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+618x^133+642x^134+254x^135+1422x^136+486x^137+242x^138+804x^139+420x^140+188x^141+774x^142+348x^143+36x^144+252x^145+36x^146+6x^148+4x^150+6x^152+6x^154+6x^155+4x^156+6x^157

The gray image is a code over GF(3) with n=621, k=8 and d=399.
This code was found by Heurico 1.16 in 1.35 seconds.