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