The generator matrix

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

generates a code of length 17 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+71x^8+288x^10+544x^11+640x^12+1664x^13+2262x^14+2784x^15+4935x^16+6400x^17+4920x^18+2784x^19+2256x^20+1664x^21+660x^22+544x^23+289x^24+56x^26+6x^30

The gray image is a code over GF(2) with n=68, k=15 and d=16.
This code was found by Heurico 1.16 in 1.12 seconds.