The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+61x^8+16x^9+172x^10+688x^11+1304x^12+5520x^13+4464x^14+14256x^15+12603x^16+14256x^17+4392x^18+5520x^19+1352x^20+688x^21+176x^22+16x^23+39x^24+12x^26

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 3.92 seconds.