The generator matrix

 1  0  1  1  1  1  1  1
 0  1 2X+7  8 X+6 X+1  8  0
 0  0  6  0  0  3  3  0
 0  0  0  3  0  6  3  3
 0  0  0  0  6  6  0  6

generates a code of length 8 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 9.

Homogenous weight enumerator: w(x)=1x^0+20x^9+18x^10+478x^12+108x^13+2106x^14+1792x^15+8964x^16+4212x^17+1788x^18+144x^19+44x^21+8x^24

The gray image is a code over GF(3) with n=72, k=9 and d=27.
This code was found by Heurico 1.16 in 0.0325 seconds.