The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  3  1  1  1  1  3  3
 0  3  0 21  9  3 24 15 24  0 21  3  9  3  6 24 18  3
 0  0  3  6 15  3  0 21 24  9 18 21  3 12  3  6 21 12
 0  0  0  9  0 18  9 18  0 18 18 18 18  0  0 18  0  9

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

Homogenous weight enumerator: w(x)=1x^0+130x^30+72x^31+264x^32+412x^33+468x^34+552x^35+2558x^36+810x^37+540x^38+410x^39+90x^40+96x^41+128x^42+18x^43+6x^44+6x^45

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 0.0483 seconds.