2000
0, 7881, 6811, 0, 0, 0.0, 0.0
1, 7881, 6811, 1, 1, 0.0126887450831, 0.0146821318455
2, 7881, 6811, 0, 0, 0.0, 0.0
3, 7880, 6810, 973, 973, 12.347715736, 14.2878120411