The generator matrix

 1  0  1  1  1 14  1  1 12  1  1  2  1  1  8  1  1  6  1  1  6 12  1  1  0  2  6  0  4 12 10 10  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 14  1  1 10  0  1  1  1  1  1  4  2  1
 0  1 11 14  5  1  7 12  1  2  9  1  8  3  1  6 13  1 15 10  1  1  1  4  1  1  1  1  1  1  1  1  0  0 14  2 12 12 14  2  6  6  0  4  8  2  0  1  2  6  1  1 15 13  8  7 11  2  1  0
 0  0 12  4  8 12 12  0  0  4  8 12  4  8 12  0 12  0  8  0  4  0 12  4  0  4  8 12  4  4  0  8  0  4 12  8  4  0  8 12  0  4  8 12  8  0 12 12  4  8 12  8  0  4 12 12  4 12  4  0
 0  0  0  8  0  8  8  8  8  0  8  0  0  8  0  0  0  8  0  8  8  0  8  8  8  0  0  8  0  8  0  8  8  8  0  0  0  0  8  8  8  0  0  8  8  0  0  0  8  0  8  8  0  8  8  0  8  0  8  0

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

Homogenous weight enumerator: w(x)=1x^0+99x^56+252x^57+269x^58+284x^59+294x^60+238x^61+254x^62+228x^63+102x^64+20x^65+1x^66+2x^69+2x^70+1x^78+1x^94

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 0.194 seconds.