The generator matrix

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

generates a code of length 30 over Z9 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+440x^54+396x^57+378x^60+738x^63+198x^66+30x^72+6x^81

The gray image is a code over GF(3) with n=90, k=7 and d=54.
This code was found by Heurico 1.16 in 11.5 seconds.