The generator matrix

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

generates a code of length 33 over Z27 who´s minimum homogenous weight is 57.

Homogenous weight enumerator: w(x)=1x^0+298x^57+36x^59+990x^60+1044x^62+1602x^63+972x^64+2808x^65+3534x^66+1944x^67+3258x^68+1956x^69+144x^71+816x^72+228x^75+42x^78+2x^81+8x^84

The gray image is a code over GF(3) with n=297, k=9 and d=171.
This code was found by Heurico 1.16 in 0.937 seconds.