2000
0, 7623, 6619, 0, 0, 0.0, 0.0
1, 7624, 6619, 0, 0, 0.0, 0.0
2, 7623, 6618, 0, 0, 0.0, 0.0
3, 7623, 6618, 55, 55, 0.721500721501, 0.831066787549