The generator matrix

 1  0  1  1  1  0  1  1  0  1  1  4  1  1  2  1
 0  1  1  0  1  1  0  7  1  0  3  1  3  7  6  0
 0  0  2  0  0  0  0  0  2  0  6  6  4  4  4  0
 0  0  0  2  0  0  0  4  2  2  0  6  6  2  4  0
 0  0  0  0  2  0  0  6  2  4  4  6  0  0  0  0
 0  0  0  0  0  2  0  2  2  6  0  4  0  0  4  0
 0  0  0  0  0  0  2  2  0  0  6  4  2  4  0  0

generates a code of length 16 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+136x^8+108x^9+481x^10+670x^11+1922x^12+3500x^13+9280x^14+7988x^15+17353x^16+8036x^17+9194x^18+3520x^19+1988x^20+644x^21+488x^22+108x^23+102x^24+13x^26+2x^27+2x^28

The gray image is a code over GF(2) with n=64, k=16 and d=16.
This code was found by Heurico 1.16 in 8.33 seconds.