The generator matrix

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

generates a code of length 63 over Z16 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+6x^62+104x^63+4x^64+4x^65+2x^67+3x^68+1x^70+2x^71+1x^74

The gray image is a code over GF(2) with n=504, k=7 and d=248.
This code was found by Heurico 1.16 in 0.107 seconds.