2000
0, 7675, 7661, 0, 0, 0.0, 0.0
1, 7676, 7662, 0, 0, 0.0, 0.0
2, 7676, 7662, 61, 61, 0.794684731631, 0.796136778909
3, 7675, 7661, 641, 641, 8.35179153094, 8.36705390941