2000
0, 7638, 7565, 0, 0, 0.0, 0.0
1, 7638, 7565, 20, 20, 0.261848651479, 0.264375413087
2, 7638, 7565, 21, 21, 0.274941084053, 0.277594183741
3, 7638, 7565, 7, 7, 0.0916470280178, 0.0925313945803