matrix := [
[0,5,0,0,0,0,0,0,0,0,0,0],
[2,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,5,0,0,0,0,0,0,0],
[0,0,0,0,0,0,5,0,0,0,0,0],
[0,0,2,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,5,0,0],
[0,0,0,2,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,5],
[4,6,1,2,5,4,3,2,2,1,2,2],
[0,0,0,0,0,2,0,0,0,0,0,0],
[4,5,1,2,3,2,6,3,3,3,5,0],
[0,0,0,0,0,0,0,2,0,0,0,0]
]*Z(7);