The generator matrix

 1  0  1  1  1  1  1  0  1  1
 0  1  1  8  0  7  8  1  3  0
 0  0  6  0  3  6  3  0  6  0
 0  0  0  3  3  6  6  3  6  3

generates a code of length 10 over Z9 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+36x^15+54x^16+72x^18+216x^19+72x^21+216x^22+54x^24+8x^27

The gray image is a code over GF(3) with n=30, k=6 and d=15.
This code was found by Heurico 1.16 in 0.00126 seconds.