The generator matrix

 1  0  1  1  1  1  1  3  1  1 24  1  1  3  1  1 21  1  1  1  1  1  1 21  1 21  1  1  1  1  1  1  1  1  0  1  1  1  1  1  9  1  6  1  1  3 12 15  1  1  6  1  3  1
 0  1  1 26 18 25 26  1  4 26  1 21 16  1 14 15  1 20  1 12 21 23 22  1 20  1 12 10  8 18 22 12 25 11  1  7 19 24 20  1  1  5  1  3 16  1  1  1  1 24  1 18 15 18
 0  0 24  0 18  0  0  9 18 18  0  9  9 12 24 12 24  3  3  6  6 12  6 15 24  3 21  3 15 24  6 12  3  9 24  6 24  0  0 18 21 15 24 21  6 15 15 12 18  0 18 18  0  3
 0  0  0  3 21 12  9  3 24  6 15  6  0 15  3  9 18  9 18  9 15 21 21 15 24  3 15 21  9 15  0 12  6 12 12 24 21  3  0  3  0  0 12  9 21 12  6  3 18  6  0  3 15 15

generates a code of length 54 over Z27 who´s minimum homogenous weight is 99.

Homogenous weight enumerator: w(x)=1x^0+714x^99+342x^100+720x^101+2586x^102+1854x^103+2466x^104+5466x^105+4680x^106+5436x^107+8974x^108+5436x^109+5598x^110+6888x^111+3384x^112+1800x^113+1494x^114+342x^115+18x^116+554x^117+210x^120+78x^123+8x^126

The gray image is a code over GF(3) with n=486, k=10 and d=297.
This code was found by Heurico 1.16 in 51.3 seconds.