The generator matrix

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

generates a code of length 8 over Z9 who´s minimum homogenous weight is 9.

Homogenous weight enumerator: w(x)=1x^0+20x^9+18x^10+154x^12+108x^13+162x^14+496x^15+216x^16+324x^17+492x^18+144x^19+44x^21+8x^24

The gray image is a code over GF(3) with n=24, k=7 and d=9.
This code was found by Heurico 1.16 in 0.00227 seconds.