2000
0, 20967, 18919, 0, 0, 0.0, 0.0
1, 20968, 18919, 148, 148, 0.705837466616, 0.782282361647
2, 20968, 18918, 0, 0, 0.0, 0.0
3, 20966, 18918, 1025, 1025, 4.88886769055, 5.4181203087