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

generates a code of length 60 over Z16 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+108x^58+250x^59+337x^60+220x^61+83x^62+10x^63+14x^64+1x^114

The gray image is a code over GF(2) with n=480, k=10 and d=232.
This code was found by Heurico 1.16 in 22.1 seconds.