2000
0, 4050, 523, 0, 0, 0.0, 0.0
1, 4066, 519, 0, 0, 0.0, 0.0
2, 3898, 47, 0, 0, 0.0, 0.0
3, 4050, 513, 0, 0, 0.0, 0.0