matrix := [
[0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0],
[0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,0],
[0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0],
[17,8,11,10,7,10,10,16,2,2,3,5,8,0,10,12,14],
[0,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0],
[12,12,4,4,15,15,5,17,5,17,12,10,2,10,0,2,9]
]*Z(19);