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