The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+117x^14+64x^15+385x^16+192x^17+552x^18+192x^19+360x^20+64x^21+98x^22+22x^24+1x^30

The gray image is a code over GF(2) with n=72, k=11 and d=28.
This code was found by Heurico 1.16 in 0.0714 seconds.