matrix := [
[0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,5,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[6,1,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0],
[2,0,9,1,0,9,10,7,4,3,6,3,2,6,6,4,0,6,5,0,0,0],
[0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0],
[0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0],
[5,1,1,2,3,9,6,8,5,4,5,5,0,4,0,1,10,7,2,0,1,0],
[7,0,4,0,5,10,6,4,9,1,8,6,3,7,0,7,6,7,4,6,5,0],
[6,3,1,4,4,7,3,7,6,5,8,4,9,6,0,1,2,8,5,0,4,0],
[0,5,8,10,1,7,0,6,5,6,9,1,9,6,0,5,0,7,5,0,0,6]
]*Z(11);