2000
0, 18452, 18452, 0, 0, 0.0, 0.0
1, 18453, 18453, 0, 0, 0.0, 0.0
2, 18453, 18428, 0, 0, 0.0, 0.0
3, 18453, 18207, 0, 0, 0.0, 0.0