2000
0, 7660, 7131, 0, 0, 0.0, 0.0
1, 7660, 7131, 20, 20, 0.261096605744, 0.280465572851
2, 7660, 7131, 0, 0, 0.0, 0.0
3, 7660, 7131, 72, 72, 0.939947780679, 1.00967606226