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