The generator matrix
1 0 1 1 6 1 1 1 6 1 1 4 1 1 10 1 2 1 8 1 1
0 1 1 6 1 11 13 4 1 2 15 1 4 1 1 6 14 7 1 9 3
0 0 2 0 8 4 12 10 6 10 6 10 14 6 2 14 2 2 12 0 12
0 0 0 8 8 0 8 0 8 8 8 0 0 0 8 0 0 0 8 0 8
generates a code of length 21 over Z16 who´s minimum homogenous weight is 18.
Homogenous weight enumerator: w(x)=1x^0+256x^18+380x^19+1066x^20+800x^21+984x^22+336x^23+201x^24+16x^25+48x^26+4x^27+4x^28
The gray image is a code over GF(2) with n=168, k=12 and d=72.
This code was found by Heurico 1.16 in 0.0762 seconds.