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