2000
0, 51779, 44519, 0, 0, 0.0, 0.0
1, 51780, 44812, 0, 0, 0.0, 0.0
2, 51780, 44811, 0, 0, 0.0, 0.0
3, 51780, 44758, 0, 0, 0.0, 0.0