The generator matrix

 1  1  1  1  1  1  1  1  2  1  0  1  8  1  1  2  2  2 12  1  1
 0  2  0  6  4 14 12  2 14  0  2 10  2 12  6  6  2 14  2 12  4
 0  0 12  0  4  4  8  4  4  0  8  8  4  0  0  8  4  4  8  4  4
 0  0  0  8  0  0  8  0  8  0  8  0  8  8  8  8  0  0  8  0  8
 0  0  0  0  8  0  0  8  8  8  8  8  0  8  8  8  0  8  0  0  8

generates a code of length 21 over Z16 who´s minimum homogenous weight is 17.

Homogenous weight enumerator: w(x)=1x^0+24x^17+153x^18+196x^19+497x^20+340x^21+479x^22+184x^23+135x^24+16x^25+7x^26+4x^27+7x^28+4x^29+1x^30

The gray image is a code over GF(2) with n=168, k=11 and d=68.
This code was found by Heurico 1.16 in 0.0445 seconds.