The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+128x^8+288x^10+1164x^12+768x^13+2688x^14+3072x^15+3886x^16+8704x^17+4032x^18+3072x^19+2584x^20+768x^21+1152x^22+400x^24+32x^26+28x^28+1x^32

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 1.81 seconds.