The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+720x^15+1680x^18+3240x^21+900x^24+20x^27

The gray image is a code over GF(3) with n=30, k=8 and d=15.
This code was found by Heurico 1.16 in 1.69 seconds.