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