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

generates a code of length 67 over Z16 who´s minimum homogenous weight is 65.

Homogenous weight enumerator: w(x)=1x^0+8x^65+60x^66+112x^67+62x^68+8x^69+1x^72+1x^78+2x^82+1x^86

The gray image is a code over GF(2) with n=536, k=8 and d=260.
This code was found by Heurico 1.16 in 0.272 seconds.