The generator matrix

 1  0  1  1  1  8  1  1 14  1  6  1 14  1  1  1  1  8  1  1  6  1  1  0  1  1  4  1  1  1 12  1  1  2  1 12  0  1  1  1  1  1  1  1  1  6 10 10  1 12  6  0 10 10  4  4 12 10  6  0  6  4 14 14 12 12  2  1 12  1 10  1 12  1  1  1  1  2  2 12  1 10  1  1
 0  1  1  4  3  1  2  9  1  6  1  7  1  6  7  0  9  1 12 11  1 10  1  1 12  3  1  5  0 10  1 13 15  1  4  1  1 14  3  7 12 10  5  5  6  1  1  1  8  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  6  2  5  1 14  1  9  7  3  6  8  1  2 15  1  0  0
 0  0  2 10  8 10 10  8 10  0  0  2 12 12 14 12 14  4  6  4  6 14 12  6  8  6 10  4 14  0  0 10  4  8  2 14 12 14  2  0 12  4 14  8  2 10 12  6  2  4 14  8 10  2 12  0  2 14  8 14 12 14  0  4 10  6  4  8 12  0  8 10  8  4 12 10  6  6 14 10  8  0  2  8

generates a code of length 84 over Z16 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+38x^80+350x^81+304x^82+316x^83+171x^84+316x^85+147x^86+236x^87+88x^88+50x^89+12x^90+8x^91+1x^92+4x^93+4x^96+1x^118+1x^120

The gray image is a code over GF(2) with n=672, k=11 and d=320.
This code was found by Heurico 1.16 in 0.5 seconds.