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

generates a code of length 29 over Z9 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+210x^42+316x^45+400x^48+686x^51+784x^54+4374x^56+886x^57+8748x^59+1092x^60+882x^63+594x^66+426x^69+200x^72+62x^75+16x^78+4x^81+2x^84

The gray image is a code over GF(3) with n=87, k=9 and d=42.
This code was found by Heurico 1.16 in 68.8 seconds.