2000
0, 7753, 7490, 0, 0, 0.0, 0.0
1, 7754, 7491, 0, 0, 0.0, 0.0
2, 7754, 7491, 47, 47, 0.606138767088, 0.627419570151
3, 7754, 7491, 174, 174, 2.24400309518, 2.32278734481