The generator matrix

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

generates a code of length 24 over Z9 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+328x^45+198x^48+90x^51+90x^54+18x^57+4x^63

The gray image is a code over GF(3) with n=72, k=6 and d=45.
This code was found by Heurico 1.16 in 19.9 seconds.