The generator matrix

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

generates a code of length 15 over Z9 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+600x^24+1430x^27+2250x^30+1920x^33+360x^36

The gray image is a code over GF(3) with n=45, k=8 and d=24.
This code was found by Heurico 1.16 in 0.181 seconds.