The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1  0  1  1  X  1  1  0  1  1  X  0
 0  X  0  0 2X X+3  X 2X+3 2X  6  3 X+3 X+3 2X+3 2X  3 X+6 2X+3  X X+3  X 2X  6 2X+6  0 X+3 2X+3  X  X  3  3  6 2X  3 2X+6 2X 2X+6  X X+3 2X+3 2X+6 X+3 X+3 2X+3  0  0  3  0 2X+3  X  3 X+6 2X+6 2X  3  0  0  X  3  X  0  3 X+3 2X 2X  X 2X+3 2X+6  X  X
 0  0  X 2X  6 2X+3  X X+3 2X+6 2X+3  0 2X+3  6 2X  6  X  X X+6 2X  0 X+6 2X 2X+3 X+6 X+6  0  3 2X+3  X  0 2X+3  6 X+6  X  3 X+6 2X+6 X+6 2X  6 2X  3 2X+6  X 2X 2X+6  3  6  0  6 X+3 X+6 2X+3 2X 2X+3  6 X+6 X+6 X+3 2X+3  X  3  0 2X+3  X  6  6  X X+3 2X+6
 0  0  0  6  0  0  0  0  0  0  3  6  3  6  3  3  6  3  3  6  3  3  3  6  6  3  6  3  3  6  6  0  3  6  3  6  3  0  6  6  3  6  0  0  0  3  3  6  0  0  3  6  6  0  0  0  0  0  0  0  6  6  6  6  0  3  0  6  6  3

generates a code of length 70 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+228x^133+300x^134+140x^135+342x^136+480x^137+480x^138+816x^139+1038x^140+918x^141+798x^142+390x^143+138x^144+72x^145+96x^146+14x^147+90x^148+24x^149+36x^151+84x^152+36x^154+18x^155+8x^156+12x^157+2x^192

The gray image is a code over GF(3) with n=630, k=8 and d=399.
This code was found by Heurico 1.16 in 41 seconds.