The generator matrix

 1  0  1  1  6  1  1  1  4  1  1 10  1  1 12  1  2  1  1  1  0  1  1  1
 0  1  1  6  1 11 13  4  1  2  3  1 12 14  1 11 10 12  0 14  2  7  7  0
 0  0  2  0  8  4 12  2  2 10 14  6  6 10 14  2  6  0 12  4 14  2  6  0
 0  0  0  8  8  0  8  8  8  0  8  8  0  8  0  0  0  8  0  0  8  8  8  0

generates a code of length 24 over Z16 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+51x^20+306x^21+446x^22+926x^23+707x^24+920x^25+381x^26+248x^27+61x^28+22x^29+12x^30+10x^31+4x^32+1x^34

The gray image is a code over GF(2) with n=192, k=12 and d=80.
This code was found by Heurico 1.16 in 0.0628 seconds.