2
1.0
1.0
0.00000000 0.00000000
0.12500000 0.02000000
0.25000000 0.13000000
0.37500000 0.28000000
0.50000000 0.70000000
0.62500000 0.86000000
0.75000000 0.92000000
0.87500000 0.97000000
1.00000000 1.00000000
END
