The generator matrix

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

generates a code of length 21 over Z8 who´s minimum homogenous weight is 17.

Homogenous weight enumerator: w(x)=1x^0+38x^17+106x^18+98x^19+220x^20+124x^21+209x^22+88x^23+93x^24+26x^25+4x^26+6x^27+6x^28+4x^29+1x^30

The gray image is a code over GF(2) with n=84, k=10 and d=34.
This code was found by Heurico 1.16 in 0.0127 seconds.