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  X  1  X  1  1  X  1  1  1  X  X  1  X
 0  3  0  0  0  0  0  0  0  0  0  0  0  3  3  6  6  6  3  6  3  3  3  6  6  0  3  3  0  0  6  0  6  6  3  0  3  3  0
 0  0  3  0  0  0  0  0  0  0  0  3  3  6  3  0  3  6  6  6  0  0  3  3  6  3  0  6  3  6  3  3  0  0  3  3  0  6  3
 0  0  0  3  0  0  0  0  3  6  6  6  6  6  3  0  3  6  0  0  0  6  6  3  0  6  6  3  0  3  6  3  6  6  3  0  6  6  0
 0  0  0  0  3  0  0  3  6  0  6  6  3  3  3  6  3  3  0  6  3  6  6  6  3  0  0  6  6  6  3  6  6  6  6  0  0  0  6
 0  0  0  0  0  3  0  6  6  3  0  6  6  3  6  6  3  6  6  3  6  3  6  6  0  3  6  3  6  0  6  3  3  6  0  3  3  3  0
 0  0  0  0  0  0  3  6  6  6  6  3  0  3  3  0  0  3  6  3  3  3  3  0  6  6  6  0  6  3  3  3  3  6  3  3  6  6  0

generates a code of length 39 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+104x^63+176x^66+312x^69+616x^72+1156x^75+14818x^78+1410x^81+616x^84+172x^87+152x^90+104x^93+34x^96+12x^99

The gray image is a code over GF(3) with n=351, k=9 and d=189.
This code was found by Heurico 1.16 in 1.7 seconds.