2000
0, 3061, 3, 0, 0, 0.0, 0.0
1, 3061, 4, 0, 0, 0.0, 0.0
2, 3061, 3, 0, 0, 0.0, 0.0
3, 3061, 4, 0, 0, 0.0, 0.0