The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+452x^54+1206x^57+1332x^60+1572x^63+1224x^66+612x^69+162x^72

The gray image is a code over GF(3) with n=93, k=8 and d=54.
This code was found by Heurico 1.13 in 0.14 seconds.