The generator matrix

 1  0  0  1  1  1  1  3  1  6  1  1  1  0  1  0  1  1  1  1  1  1  6  3  0  1  1  1  0  1  1
 0  1  0  0  0  7  1  1  7  1  5  8  8  1  5  1  3  1  7  3  8  5  1  1  6  4  8  5  1  4  7
 0  0  1  1  8  5  1  5  6  7  4  8  0  4  1  8  3  0  5  5  3  8  8  4  1  7  5  3  3  3  2
 0  0  0  6  0  0  0  0  3  3  6  6  3  3  3  0  3  0  6  6  6  6  6  6  0  3  0  0  3  6  0
 0  0  0  0  3  3  3  0  0  3  3  3  3  6  3  3  0  6  0  6  6  0  6  0  3  6  0  0  0  6  3

generates a code of length 31 over Z9 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+464x^54+1170x^57+1380x^60+1506x^63+1278x^66+636x^69+120x^72+6x^81

The gray image is a code over GF(3) with n=93, k=8 and d=54.
This code was found by Heurico 1.16 in 0.389 seconds.