The generator matrix

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

generates a code of length 66 over Z16 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+576x^62+1037x^64+928x^66+992x^68+528x^70+16x^72+16x^78+2x^96

The gray image is a code over GF(2) with n=528, k=12 and d=248.
This code was found by Heurico 1.16 in 52.2 seconds.