The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  3 24  0 21 24  0 21 24  9 21 24  0  9 21  6  3 15
 0  0  9  0  0  0  9 18  9  9 18  9  9  9  0  0  0  9
 0  0  0  9  0  9  9 18  9  0  9 18 18  0 18  0 18  0
 0  0  0  0 18 18  9 18 18  9 18  0  0  0  0 18 18 18

generates a code of length 18 over Z27 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+270x^30+288x^33+5370x^36+468x^39+144x^42+18x^48+2x^54

The gray image is a code over GF(3) with n=162, k=8 and d=90.
This code was found by Heurico 1.16 in 43.2 seconds.