The generator matrix

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

generates a code of length 31 over Z27 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+12x^60+210x^62+8x^63+6x^66+6x^71

The gray image is a code over GF(3) with n=279, k=5 and d=180.
This code was found by Heurico 1.16 in 0.00563 seconds.