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

generates a code of length 87 over Z16 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+4x^86+88x^87+7x^88+24x^89+2x^90+1x^98+1x^106

The gray image is a code over GF(2) with n=696, k=7 and d=344.
This code was found by Heurico 1.16 in 0.368 seconds.