The generator matrix

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

generates a code of length 46 over Z16 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+28x^45+207x^46+15x^48+4x^53+1x^62

The gray image is a code over GF(2) with n=368, k=8 and d=180.
This code was found by Heurico 1.16 in 63.6 seconds.