10 0.0 10.0
1.0 9.0 1.0
1.0 8.0 2.0
1.0 7.0 3.0
1.0 6.0 4.0
1.0 5.0 5.0
1.0 4.0 6.0
1.0 3.0 7.0
1.0 2.0 8.0
1.0 1.0 9.0
1.0 0.0 10.0