The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  3  1  1  3  1
 0  3  0  0  0  0  0  0  0  0  0  0  0  0  6  3  6  3  3  3  6  6  3  0  3  3  3  6  3  0
 0  0  3  0  0  0  0  0  0  0  0  3  3  3  6  6  0  6  3  0  3  6  6  6  0  3  3  0  6  0
 0  0  0  3  0  0  0  0  0  3  3  6  6  6  0  6  0  0  3  6  3  3  6  0  0  0  6  6  0  0
 0  0  0  0  3  0  0  0  3  6  6  6  6  0  6  6  3  6  3  6  3  3  3  3  3  0  3  0  6  0
 0  0  0  0  0  3  0  0  6  6  3  6  0  3  0  6  3  0  3  3  0  6  0  3  3  0  6  0  0  3
 0  0  0  0  0  0  3  0  6  3  6  0  6  3  0  3  0  3  3  3  3  3  3  6  3  3  0  6  6  6
 0  0  0  0  0  0  0  3  3  0  3  3  6  3  6  0  6  0  0  6  6  0  6  6  0  3  3  3  0  0

generates a code of length 30 over Z9 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+50x^42+268x^45+356x^48+500x^51+1168x^54+3770x^57+6778x^60+4846x^63+826x^66+602x^69+312x^72+122x^75+62x^78+20x^81+2x^84

The gray image is a code over GF(3) with n=90, k=9 and d=42.
This code was found by Heurico 1.16 in 3.43 seconds.