The generator matrix

 1  0  0  1  1  1  6  1  1  2  1  1  4  0  1  1
 0  1  0  1  6  3  1  0  1  1  2  3  1  0  0  0
 0  0  1  1  3  6  3  6  3  1  1  0  2  1  0  0
 0  0  0  4  0  0  0  0  0  4  0  4  4  0  0  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  4  0  4  4  0  0
 0  0  0  0  0  0  4  0  0  4  4  4  4  4  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  4  4  4  0  0  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+71x^8+320x^10+512x^11+1302x^12+2560x^13+3008x^14+5120x^15+6975x^16+5120x^17+3008x^18+2560x^19+1316x^20+512x^21+320x^22+57x^24+6x^28

The gray image is a code over GF(2) with n=64, k=15 and d=16.
This code was found by Heurico 1.16 in 1.12 seconds.