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