matrix := [
[0,6,0,0,0,0,0,0,0,0,0,0,0,0],
[11,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0,0,0,0,0,0],
[0,0,11,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,6,0,0,0,0,0,0,0,0],
[0,0,0,0,11,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,6,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,11,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,11,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,6],
[4,1,15,8,1,13,4,7,1,6,1,10,10,13],
[0,0,0,0,0,0,0,0,0,0,0,0,7,0],
[0,0,0,0,0,0,0,0,0,0,11,0,0,0]
]*Z(17);