The generator matrix

 1  0  0  1  1  1  1
 0  1  0 2X+3 2X+4  8  4
 0  0  1 2X+4 2X+2  8 X+4

generates a code of length 7 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+414x^10+90x^11+2296x^12+1656x^13+8892x^14+4584x^15+1656x^16+90x^17+2x^18+2x^21

The gray image is a code over GF(3) with n=63, k=9 and d=30.
This code was found by Heurico 1.16 in 0.0218 seconds.