The generator matrix

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

generates a code of length 75 over Z9 who´s minimum homogenous weight is 147.

Homogenous weight enumerator: w(x)=1x^0+312x^147+252x^150+4x^153+156x^156+2x^171+2x^198

The gray image is a code over GF(3) with n=225, k=6 and d=147.
This code was found by Heurico 1.16 in 0.0997 seconds.