The generator matrix

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

generates a code of length 57 over Z9 who´s minimum homogenous weight is 108.

Homogenous weight enumerator: w(x)=1x^0+546x^108+540x^111+372x^114+266x^117+174x^120+150x^123+104x^126+24x^129+10x^135

The gray image is a code over GF(3) with n=171, k=7 and d=108.
This code was found by Heurico 1.16 in 40.4 seconds.