The generator matrix

 1  0  1  1  1  6  1  1 12  1  1 10  1  1  1  1  1  1  0  2
 0  1  3  6  5  1 12 15  1 10  9  1  0  6 12 10  3  5  2  6
 0  0  8  0  0  0  0  8  0  8  8  8  0  0  8  8  0  8  0  0
 0  0  0  8  0  0  8  8  0  8  0  8  0  8  8  0  0  0  8  0
 0  0  0  0  8  0  8  0  8  8  8  8  0  8  0  8  0  0  0  0
 0  0  0  0  0  8  0  8  8  8  0  8  8  8  0  0  8  0  0  0

generates a code of length 20 over Z16 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+95x^16+96x^17+598x^18+608x^19+1296x^20+544x^21+740x^22+32x^23+76x^24+6x^26+4x^28

The gray image is a code over GF(2) with n=160, k=12 and d=64.
This code was found by Heurico 1.16 in 0.049 seconds.