2000
0, 7721, 7047, 0, 0, 0.0, 0.0
1, 7721, 7047, 0, 0, 0.0, 0.0
2, 7721, 7047, 34, 34, 0.440357466649, 0.482474811977
3, 7721, 7047, 30, 30, 0.388550705867, 0.425713069391