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