The generator matrix

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

generates a code of length 60 over Z16 who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+160x^56+144x^57+225x^58+240x^59+511x^60+240x^61+222x^62+144x^63+156x^64+1x^66+1x^68+1x^72+1x^84+1x^92

The gray image is a code over GF(2) with n=480, k=11 and d=224.
This code was found by Heurico 1.16 in 0.142 seconds.