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

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

Homogenous weight enumerator: w(x)=1x^0+82x^52+96x^54+16x^55+205x^56+80x^57+488x^58+672x^59+857x^60+672x^61+488x^62+80x^63+177x^64+16x^65+56x^66+64x^68+24x^70+16x^72+5x^76+1x^104

The gray image is a code over GF(2) with n=480, k=12 and d=208.
This code was found by Heurico 1.16 in 0.688 seconds.