The generator matrix

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

generates a code of length 48 over Z16 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+224x^45+350x^46+460x^47+174x^48+372x^49+168x^50+180x^51+32x^52+44x^53+40x^54+2x^62+1x^64

The gray image is a code over GF(2) with n=384, k=11 and d=180.
This code was found by Heurico 1.16 in 0.0875 seconds.