The generator matrix

 1  0  1  1  1  6  1  1 12  1  1  6 10  0 12 10 12  4  1  1
 0  1  3  6  5  1 12 15  1 10  9  1  1  1  1  1  2  2  0 12
 0  0  8  0  8  0  0  8  0  0  8  0  8  0  0  8  8  8  0  8
 0  0  0  8  8  8  8  8  8  0  0  0  8  8  0  0  8  0  8  8

generates a code of length 20 over Z16 who´s minimum homogenous weight is 18.

Homogenous weight enumerator: w(x)=1x^0+201x^18+192x^19+251x^20+192x^21+176x^22+3x^24+6x^26+1x^28+1x^34

The gray image is a code over GF(2) with n=160, k=10 and d=72.
This code was found by Heurico 1.16 in 0.963 seconds.