210000.,0.3,0
1,-1.,0.
2,0.,0.
3,1.,0.
4,-1.,1.
5,0.,1.
6,1.,1.
7,-1.,2.
8,0.,2.
9,1.,2.
1,1,2,5
2,1,5,4
3,4,5,8
4,4,8,7
5,2,3,5
6,5,3,6
7,5,6,8
8,8,6,9
7,0.,1000.
8,0.,0.
9,0.,-1000.
1,2,0.,0.
2,3,0.,0.
3,2,0.,0.