matrix := [
[1,4,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,6,0,0,0,0,0,0,0,0,0,0,0,0],
[4,14,16,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,6,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,6,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,6,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,6,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,6,0,0],
[0,0,0,0,0,6,0,0,0,0,0,0,0,0,0],
[0,16,6,5,9,14,12,9,4,14,16,13,12,6,13],
[9,8,1,3,0,11,0,8,15,2,14,8,5,11,1],
[7,2,2,2,14,3,16,6,12,6,3,1,16,10,5],
[1,15,14,8,11,5,0,11,16,1,10,10,14,8,6]
]*Z(17);