matrix := [
[0,3,0,0,0,0,0,0,0,0,0,0,0,0,3,0],
[3,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0],
[0,0,0,3,0,0,0,0,0,0,0,0,3,0,2,0],
[0,0,3,0,0,0,0,0,0,0,0,0,4,0,4,0],
[0,0,0,0,0,0,3,0,0,0,0,0,1,0,2,0],
[0,0,0,0,0,0,0,3,0,0,0,0,4,0,4,0],
[0,0,0,0,3,0,0,0,0,0,0,0,4,0,3,0],
[0,0,0,0,0,3,0,0,0,0,0,0,3,0,2,0],
[0,0,0,0,0,0,0,0,0,0,0,3,1,0,4,0],
[0,0,0,0,0,0,0,0,0,0,0,0,3,3,4,0],
[0,0,0,0,0,0,0,0,0,0,0,0,3,0,2,3],
[0,0,0,0,0,0,0,0,3,0,0,0,3,0,3,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0],
[0,0,0,0,0,0,0,0,0,3,0,0,3,0,4,0],
[0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0],
[0,0,0,0,0,0,0,0,0,0,3,0,4,0,4,0]
]*Z(5);