2000
0, 44451, 31453, 0, 0, 0.0, 0.0
1, 44451, 31451, 0, 0, 0.0, 0.0
2, 44451, 31453, 0, 0, 0.0, 0.0
3, 44451, 31434, 0, 0, 0.0, 0.0