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