The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  2
 0  2  0  6  0  6  4  6  0  0  0  4  6  6  4  2  4  6
 0  0  4  0  0  0  4  0  0  0  4  4  0  4  4  4  0  0
 0  0  0  4  0  0  0  4  0  4  4  0  0  4  4  0  4  0
 0  0  0  0  4  0  4  0  0  4  0  4  4  0  4  4  0  4
 0  0  0  0  0  4  0  4  4  0  4  4  4  0  0  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+36x^14+66x^16+64x^17+192x^18+64x^19+48x^20+28x^22+12x^24+1x^32

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 0.00793 seconds.