The generator matrix

 1  0  1  1  1  1  1 21  1  1  1 24  1  1  1  0  1  1  1  1  1  1 21  9  1  1 12  1  3  1  1  9  1
 0  1  7 26  4 21 20  1 24 19 23  1  4  0 26  1 21 24 16 19 20 23  1  1  9  8  1 12 21 11  6  1  5
 0  0  9  0 18 18  9  9  0 18  0  0  9 18  9  9  0 18 18  9  0  9  0  9  9 18 18  9 18 18  9 18 18

generates a code of length 33 over Z27 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+572x^63+198x^64+556x^66+252x^67+556x^69+36x^70+12x^72+2x^75+2x^78

The gray image is a code over GF(3) with n=297, k=7 and d=189.
This code was found by Heurico 1.16 in 24.8 seconds.