The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+136x^30+54x^31+90x^32+64x^33+66x^34+48x^35+128x^36+30x^37+12x^38+74x^39+12x^40+12x^41+2x^42

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 0.0143 seconds.