The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+56x^19+98x^20+216x^21+88x^22+40x^23+4x^24+8x^25+1x^40

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 0.00704 seconds.