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