The generator matrix

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

generates a code of length 11 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+132x^15+294x^18+648x^21+4374x^22+978x^24+110x^27+24x^33

The gray image is a code over GF(3) with n=99, k=8 and d=45.
This code was found by Heurico 1.16 in 0.198 seconds.