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