The generator matrix

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

generates a code of length 65 over Z16 who´s minimum homogenous weight is 61.

Homogenous weight enumerator: w(x)=1x^0+88x^61+618x^62+722x^63+736x^64+430x^65+444x^66+312x^67+332x^68+78x^69+143x^70+94x^71+34x^72+32x^73+25x^74+4x^75+1x^76+2x^78

The gray image is a code over GF(2) with n=520, k=12 and d=244.
This code was found by Heurico 1.16 in 0.265 seconds.