matrix := [
[0,10,0,0,0,0,0,0,0],
[10,0,0,0,0,0,0,0,0],
[0,0,0,10,0,0,0,0,0],
[0,0,10,0,0,0,0,0,0],
[0,0,0,0,0,10,0,0,0],
[0,0,0,0,10,0,0,0,0],
[0,0,0,0,0,0,0,0,10],
[10,9,9,10,18,1,10,10,9],
[0,0,0,0,0,0,10,0,0]
]*Z(19);