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

generates a code of length 56 over Z9 who´s minimum homogenous weight is 105.

Homogenous weight enumerator: w(x)=1x^0+306x^105+584x^108+454x^111+306x^114+200x^117+184x^120+84x^123+50x^126+10x^129+6x^132+2x^135

The gray image is a code over GF(3) with n=168, k=7 and d=105.
This code was found by Heurico 1.16 in 0.109 seconds.