The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+141x^8+728x^10+64x^11+3724x^12+1856x^13+11056x^14+6272x^15+17851x^16+6272x^17+11040x^18+1856x^19+3760x^20+64x^21+720x^22+119x^24+8x^26+4x^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 5.61 seconds.