matrix := [
[0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0],
[0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0],
[4,8,16,12,9,15,5,15,14,2,14,11,2,15,11,0,0],
[0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0],
[11,6,6,11,6,0,11,0,0,0,0,0,0,6,0,0,0],
[6,11,11,6,11,0,6,0,0,0,0,0,0,0,6,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0]
]*Z(17);