The generator matrix

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

generates a code of length 60 over Z16 who´s minimum homogenous weight is 55.

Homogenous weight enumerator: w(x)=1x^0+58x^55+347x^56+378x^57+482x^58+466x^59+649x^60+520x^61+538x^62+280x^63+240x^64+70x^65+31x^66+8x^67+10x^68+8x^69+2x^71+2x^74+2x^75+2x^78+1x^82+1x^84

The gray image is a code over GF(2) with n=480, k=12 and d=220.
This code was found by Heurico 1.16 in 0.435 seconds.