The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  0  0  0  1  1
 0  1  3  6  1  1  0  3  1  6  3  1  1  1  0  0
 0  0  4  0  0  0  0  0  0  0  4  0  4  4  0  0
 0  0  0  4  0  0  0  0  0  0  4  4  4  0  0  0
 0  0  0  0  4  0  0  0  0  0  4  4  0  4  0  0
 0  0  0  0  0  4  0  0  0  4  4  0  0  4  0  0
 0  0  0  0  0  0  4  0  0  4  0  0  4  4  0  0
 0  0  0  0  0  0  0  4  0  4  0  4  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 16 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+55x^8+32x^10+32x^11+598x^12+288x^13+736x^14+1728x^15+1247x^16+1728x^17+736x^18+288x^19+612x^20+32x^21+32x^22+41x^24+6x^28

The gray image is a code over GF(2) with n=64, k=13 and d=16.
This code was found by Heurico 1.16 in 0.0894 seconds.