The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+61x^8+16x^9+124x^10+416x^11+936x^12+2304x^13+4224x^14+6752x^15+11131x^16+13792x^17+10776x^18+6752x^19+4520x^20+2304x^21+736x^22+416x^23+231x^24+16x^25+12x^26+16x^28

The gray image is a code over GF(2) with n=68, k=16 and d=16.
This code was found by Heurico 1.16 in 3.86 seconds.