2000
0, 2861, 1511, 0, 0, 0.0, 0.0
1, 2861, 1511, 0, 0, 0.0, 0.0
2, 2861, 1511, 0, 0, 0.0, 0.0
3, 2860, 1510, 0, 0, 0.0, 0.0