The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  2  1  1  2  1  1  2  1  1  2  2  1  1  2  2  1  2  2  4  1  2  2  4  2  1  1  2  2  4  2  2  8  4  0  2  4  1  4  2  2  8  4  0  4  8  2  4  1  8  4  2  2  2
 0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  0  8  8  0  8  8  0  8  8  0  8  8  0  8  8  0  0  8  8  0  0  0  8  8  8  0  8  8  0  0  8  0  8  8  0  8  8  0  8  0  8  0  0  0  8  8  0  8  8  0  0  0  8  0  0  0  8  0

generates a code of length 84 over Z16 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+24x^86+5x^88+2x^92

The gray image is a code over GF(2) with n=672, k=5 and d=344.
This code was found by Heurico 1.16 in 0.32 seconds.