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