2000
0, 7721, 6821, 0, 0, 0.0, 0.0
1, 7721, 6821, 2, 2, 0.0259033803911, 0.0293212138983
2, 7721, 6821, 0, 0, 0.0, 0.0
3, 7721, 6821, 537, 537, 6.95505763502, 7.87274593168