The generator matrix

 1  1  1  1  1  1  1  1  2  2  2  2  2  2  2  1  1
 0  2  0  0  0  2  6  2  0  0  4  2  6  2  6  0  0
 0  0  2  0  2  2  6  0  0  2  2  2  6  4  0  0  0
 0  0  0  2  2  0  6  2  2  2  0  0  6  2  0  0  0
 0  0  0  0  4  0  0  0  0  0  0  0  4  4  4  0  0
 0  0  0  0  0  4  0  0  0  0  4  0  0  4  4  0  0
 0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  0  0
 0  0  0  0  0  0  0  4  0  0  4  4  0  0  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  4  0  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+109x^8+528x^10+1236x^12+896x^13+2688x^14+3584x^15+3787x^16+7424x^17+3360x^18+3584x^19+2640x^20+896x^21+1536x^22+391x^24+80x^26+28x^28

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 1.86 seconds.