The generator matrix

 1  0  0  0  1  1  1  4  1  1  1  2  1  0  4  6
 0  1  0  0  0  1  1  1  6  3  7  1  4  1  1  1
 0  0  1  0  1  1  6  1  1  5  0  0  2  0  5  1
 0  0  0  1  1  0  3  1  2  5  4  1  7  1  4  4
 0  0  0  0  2  0  6  2  0  4  6  4  4  6  4  6
 0  0  0  0  0  4  0  0  0  0  0  4  4  4  0  4
 0  0  0  0  0  0  4  4  4  4  0  0  0  4  4  4

generates a code of length 16 over Z8 who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+225x^10+460x^11+2041x^12+4008x^13+7694x^14+11892x^15+12793x^16+11952x^17+7812x^18+4020x^19+1982x^20+424x^21+202x^22+12x^23+14x^24+3x^26+1x^28

The gray image is a code over GF(2) with n=64, k=16 and d=20.
This code was found by Heurico 1.16 in 11 seconds.