The generator matrix

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

generates a code of length 20 over Z8 who´s minimum homogenous weight is 17.

Homogenous weight enumerator: w(x)=1x^0+128x^17+142x^18+210x^19+134x^20+184x^21+73x^22+92x^23+25x^24+24x^25+8x^26+2x^27+1x^30

The gray image is a code over GF(2) with n=80, k=10 and d=34.
This code was found by Heurico 1.16 in 2 seconds.