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