The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  0  1  1  1  1  2  1
 0  1  3  6  1  1  0  3  1  0  3  1  6  4  0  6  6  0
 0  0  4  0  0  4  4  0  0  4  4  4  0  0  0  4  0  0
 0  0  0  4  0  4  4  4  4  0  4  0  0  4  4  4  4  0
 0  0  0  0  4  4  4  4  0  4  0  4  4  0  4  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+24x^14+32x^15+64x^16+96x^17+82x^18+96x^19+60x^20+32x^21+20x^22+2x^24+2x^26+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 0.00321 seconds.