The generator matrix

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

generates a code of length 62 over Z16 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+31x^64

The gray image is a code over GF(2) with n=496, k=5 and d=256.
This code was found by Heurico 1.16 in 0.142 seconds.