2000
0, 3156, 3012, 0, 0, 0.0, 0.0
1, 3156, 2898, 0, 0, 0.0, 0.0
2, 3158, 3078, 0, 0, 0.0, 0.0
3, 2971, 2308, 0, 0, 0.0, 0.0