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