2000
0, 7856, 7641, 0, 0, 0.0, 0.0
1, 7856, 7641, 1, 1, 0.0127291242363, 0.0130872922392
2, 7856, 7643, 0, 0, 0.0, 0.0
3, 7856, 7642, 21, 21, 0.267311608961, 0.274797173515