The generator matrix

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

generates a code of length 31 over Z9 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+192x^58+132x^60+102x^61+58x^63+102x^64+36x^66+42x^67+12x^69+24x^70+4x^72+24x^73

The gray image is a code over GF(3) with n=93, k=6 and d=58.
This code was found by Heurico 1.16 in 1.09 seconds.