The generator matrix

 1  1  1  1  1  1  1  1  1  3  3
 0  9  0  0  0  9  0 18 18  9  9
 0  0  9  0  0 18  9  0 18 18  9
 0  0  0  9  0 18  9 18  0  9 18
 0  0  0  0  9  9  9  9 18  0 18

generates a code of length 11 over Z27 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+186x^18+216x^21+1458x^22+216x^24+110x^27

The gray image is a code over GF(3) with n=99, k=7 and d=54.
This code was found by Heurico 1.16 in 0.00339 seconds.