2000
0, 998, 998, 0, 0, 0.0, 0.0
1, 998, 998, 1, 1, 0.100200400802, 0.100200400802
2, 998, 998, 6, 6, 0.60120240481, 0.60120240481
3, 998, 998, 7, 7, 0.701402805611, 0.701402805611