The generator matrix

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

generates a code of length 19 over Z8 who´s minimum homogenous weight is 13.

Homogenous weight enumerator: w(x)=1x^0+156x^13+489x^14+1208x^15+2096x^16+4090x^17+5074x^18+6528x^19+5083x^20+4042x^21+2211x^22+1224x^23+371x^24+158x^25+33x^26+1x^28+2x^29+1x^34

The gray image is a code over GF(2) with n=76, k=15 and d=26.
This code was found by Heurico 1.16 in 5.39 seconds.