The generator matrix

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

generates a code of length 28 over Z9 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+952x^45+3516x^48+7662x^51+13544x^54+15948x^57+12048x^60+4710x^63+624x^66+44x^72

The gray image is a code over GF(3) with n=84, k=10 and d=45.
This code was found by Heurico 1.16 in 37 seconds.