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
 0  3  0  0  3  0  3  3  6  0  0  3  3  0  6  3  6  6  0  3  6  0  3
 0  0  3  0  6  3  6  3  6  0  3  3  0  6  0  0  3  3  6  6  6  6  6
 0  0  0  3  6  6  0  6  6  6  3  0  6  0  6  3  3  0  3  3  3  6  6

generates a code of length 23 over Z9 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+22x^42+24x^45+162x^46+18x^48+12x^51+2x^54+2x^69

The gray image is a code over GF(3) with n=69, k=5 and d=42.
This code was found by Heurico 1.16 in 0.00215 seconds.