2000
0, 7642, 6813, 0, 0, 0.0, 0.0
1, 7642, 6812, 0, 0, 0.0, 0.0
2, 7642, 6812, 53, 53, 0.693535723633, 0.778038755138
3, 7642, 6813, 53, 53, 0.693535723633, 0.777924555996