The generator matrix
1 1 1 1 1 1 1 1
0 3 0 3 6 0 3 6
0 0 3 6 0 6 3 3
generates a code of length 8 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 15.
Homogenous weight enumerator: w(x)=1x^0+16x^15+216x^16+8x^18+2x^24
The gray image is a code over GF(3) with n=72, k=5 and d=45.
This code was found by Heurico 1.16 in 0.000251 seconds.