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

generates a code of length 39 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 69.

Homogenous weight enumerator: w(x)=1x^0+84x^69+54x^71+226x^72+78x^74+274x^75+648x^76+120x^77+3102x^78+1296x^79+144x^80+160x^81+66x^83+110x^84+24x^86+104x^87+54x^90+12x^93+2x^96+2x^114

The gray image is a code over GF(3) with n=351, k=8 and d=207.
This code was found by Heurico 1.16 in 0.157 seconds.