The generator matrix

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

generates a code of length 17 over Z9 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+220x^30+158x^33+240x^36+102x^39+4x^42+2x^45+2x^48

The gray image is a code over GF(3) with n=51, k=6 and d=30.
This code was found by Heurico 1.16 in 0.252 seconds.