The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+26x^13+109x^14+278x^15+665x^16+850x^17+1524x^18+1270x^19+1548x^20+878x^21+658x^22+242x^23+86x^24+38x^25+12x^26+2x^27+4x^28+1x^30

The gray image is a code over GF(2) with n=76, k=13 and d=26.
This code was found by Heurico 1.16 in 81.3 seconds.