2000
0, 7869, 7179, 0, 0, 0.0, 0.0
1, 7869, 7179, 0, 0, 0.0, 0.0
2, 7869, 7179, 171, 171, 2.17308425467, 2.38194734643
3, 7868, 7178, 50, 50, 0.63548551093, 0.696572861521