The generator matrix

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

generates a code of length 19 over Z8 who´s minimum homogenous weight is 15.

Homogenous weight enumerator: w(x)=1x^0+56x^15+246x^16+212x^17+393x^18+248x^19+420x^20+192x^21+194x^22+48x^23+19x^24+12x^25+5x^26+2x^28

The gray image is a code over GF(2) with n=76, k=11 and d=30.
This code was found by Heurico 1.16 in 0.0295 seconds.