The generator matrix

 1  0  1  1  1 14  1  1 14  1  0  1  1  0  1  8  1 10  2 10  1
 0  1 11  6  1  1  3  8  1  6  1 11  8  1  3  1 15  1  8  1  6
 0  0 12  0  0  0  0  0  0  8  8  4 12  4  4 12  8 12 12  8  0
 0  0  0 12  0  4  4  0  8  4 12  4  8 12  0  8  8  0  4 12  4
 0  0  0  0  4  8 12 12  4 12 12 12  0  0  4  0  8  4 12  4  4

generates a code of length 21 over Z16 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+120x^16+184x^17+692x^18+1620x^19+3279x^20+4592x^21+3328x^22+1608x^23+635x^24+184x^25+108x^26+4x^27+29x^28

The gray image is a code over GF(2) with n=168, k=14 and d=64.
This code was found by Heurico 1.16 in 0.822 seconds.