The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+113x^8+56x^10+483x^12+544x^14+512x^15+1963x^16+3584x^17+1872x^18+3584x^19+1963x^20+512x^21+544x^22+483x^24+56x^26+113x^28+1x^36

The gray image is a code over GF(2) with n=72, k=14 and d=16.
This code was found by Heurico 1.16 in 0.533 seconds.