The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  1  1  1
 0  4  0  0  0  0  0  0  4  0  4  4  0  4  4  0  0  4
 0  0  4  0  0  0  0  0  4  4  4  0  4  4  0  0  4  4
 0  0  0  4  0  0  0  4  0  4  0  4  4  4  0  0  0  4
 0  0  0  0  4  0  0  4  0  0  4  4  4  0  4  0  4  4
 0  0  0  0  0  4  0  4  4  0  4  0  0  4  4  4  4  0
 0  0  0  0  0  0  4  4  4  0  0  4  4  0  4  4  0  0

generates a code of length 18 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+33x^14+45x^16+96x^17+256x^18+32x^21+30x^22+18x^24+1x^30

The gray image is a code over GF(2) with n=72, k=9 and d=28.
This code was found by Heurico 1.16 in 0.00653 seconds.