2000
0, 7427, 6193, 0, 0, 0.0, 0.0
1, 7427, 6192, 0, 0, 0.0, 0.0
2, 7427, 6192, 0, 0, 0.0, 0.0
3, 7427, 6193, 38, 38, 0.511646694493, 0.613595995479