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  2  1  1  1  1  1  1  1  1  1  1  1  1  1  4  1  1  2  1  1  1  1  4  1  1  1  1  2  1  2  1  1  1  1  1
 0 12  0  0  0  4 12 12  8  8  0  0  4  4  4 12  0  8  4  4  8  8  4  4  8 12 12 12 12  4  8  0  0 12 12  0  0 12  8  4  8 12  4  4  4  0 12  0  4  4  0  0  8 12  0  8  4  4  0  8
 0  0 12  0  4  4  4  0  8  0  4 12  4  4  0  8  0  8 12  8 12 12 12  8  0  8  8 12  4  0 12  4  8  4  4  4  0  0  0  8  0 12  8 12  0  8  0 12 12  4 12  8  8  0 12  0  0  4  4  0
 0  0  0 12  4  8  4  4  0  4  4  0  0 12  4  8  0 12  4  4 12  8  0  0 12  8  0  4  8  4  0 12  8  8 12  8  8 12 12  4  0 12  8  4  0 12  0  0 12 12 12  4 12  8  0  4  8  0 12  8
 0  0  0  0  8  8  0  8  8  8  0  8  0  8  0  8  8  8  0  0  8  8  0  0  0  0  8  8  8  8  0  0  8  0  8  8  0  0  8  8  0  0  0  8  0  8  8  8  0  0  8  0  0  0  0  0  8  8  8  0

generates a code of length 60 over Z16 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+21x^54+56x^55+61x^56+70x^57+178x^58+390x^59+549x^60+402x^61+155x^62+60x^63+12x^64+18x^65+16x^66+22x^67+16x^68+6x^69+10x^70+4x^74+1x^108

The gray image is a code over GF(2) with n=480, k=11 and d=216.
This code was found by Heurico 1.16 in 0.247 seconds.