matrix := [
[9,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[18,9,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[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],
[0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0],
[0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10],
[14,3,4,14,8,13,16,7,13,6,18,11,13,10,0,14,0,0],
[3,13,17,4,0,8,15,5,16,12,6,2,12,0,10,1,0,14],
[0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0],
[17,4,14,12,2,8,5,5,9,0,6,13,5,0,0,16,10,14],
[0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0]
]*Z(19);