The generator matrix

 1  1  1  1  1  1  1
 0  9  0  0  9  0  9
 0  0  9  0 18  9 18
 0  0  0  9 18 18  9

generates a code of length 7 over Z27 who´s minimum homogenous weight is 9.

Homogenous weight enumerator: w(x)=1x^0+12x^9+22x^12+648x^14+30x^15+8x^18+8x^21

The gray image is a code over GF(3) with n=63, k=6 and d=27.
This code was found by Heurico 1.16 in 0.000292 seconds.