2 2e+05 1000 5000 1 2 2000
2 2 0 498 500 1 0.501002 0.996 0.498998 0.502 0.007968127 0.04476615 18907 0 181093 0 1 0 0.905465 1 0.094535 0.17274 0 37814 0 4915215 195046971 1 0.9754193 0.9923655 0.02458072 0.9754239 0.01515335 0.08629518