The generator matrix

 1  0  1  1  1  1  1  1  1  1  3
 0  1  7 26 21  4 24 19  0 16 24
 0  0  9  0 18  9  0 18  9 18  0
 0  0  0  9  9 18 18 18  9  0  0

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

Homogenous weight enumerator: w(x)=1x^0+432x^18+810x^20+990x^21+972x^22+2592x^23+684x^24+80x^27

The gray image is a code over GF(3) with n=99, k=8 and d=54.
This code was found by Heurico 1.16 in 0.115 seconds.