The generator matrix

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

generates a code of length 49 over Z27 who´s minimum homogenous weight is 90.

Homogenous weight enumerator: w(x)=1x^0+164x^90+478x^93+888x^96+2916x^98+1556x^99+214x^102+174x^105+118x^108+46x^111+4x^117+2x^144

The gray image is a code over GF(3) with n=441, k=8 and d=270.
This code was found by Heurico 1.16 in 0.227 seconds.