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

generates a code of length 60 over Z16 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+150x^52+384x^53+808x^54+1152x^55+1588x^56+2658x^57+3115x^58+4384x^59+4103x^60+4950x^61+3219x^62+2380x^63+1420x^64+1044x^65+641x^66+348x^67+250x^68+80x^69+49x^70+20x^71+3x^72+2x^73+8x^74+4x^75+4x^76+2x^77+1x^84

The gray image is a code over GF(2) with n=480, k=15 and d=208.
This code was found by Heurico 1.16 in 16.9 seconds.