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