The generator matrix

 1  0  1  1  1  6  1  1 10  1  1 12  1  1  1  1  1  1  1  0  1
 0  1  3  6  5  1 12 15  1 10  9  1  0  6  3  5 12 10 15  8  0
 0  0  8  8  0  8  8  0  0  0  8  8  8  0  0  8  0  8  8  8  0

generates a code of length 21 over Z16 who´s minimum homogenous weight is 19.

Homogenous weight enumerator: w(x)=1x^0+68x^19+189x^20+112x^21+23x^22+52x^23+57x^24+8x^25+1x^26+1x^32

The gray image is a code over GF(2) with n=168, k=9 and d=76.
This code was found by Heurico 1.16 in -1.91e-008 seconds.