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

generates a code of length 66 over Z16 who´s minimum homogenous weight is 65.

Homogenous weight enumerator: w(x)=1x^0+26x^65+70x^66+8x^67+7x^68+10x^69+4x^71+1x^74+1x^78

The gray image is a code over GF(2) with n=528, k=7 and d=260.
This code was found by Heurico 1.16 in 0.204 seconds.