2000
0, 7939, 7416, 0, 0, 0.0, 0.0
1, 7939, 7416, 0, 0, 0.0, 0.0
2, 7939, 7416, 0, 0, 0.0, 0.0
3, 7938, 7415, 71, 71, 0.894431846813, 0.957518543493