Rho method to solve n from R=n*Q by python
----- Input information ---------------
 p=835642572411562943  r=835642572417320623
 a=278547524137187366  b=557095048274460257
 Q=(573025728287549827,31413279525322582)
 R=(704334205203738299,491167142820093479)
----- Rho method information ----------
 Standard Rho steps:sqrt(ƒÎr/2)=1145698164
 Rho table size=64
 Search pointer size=1048576
 Average search interval=1024
----- Solved by Rho information -------
 solve: n=376211819491727819  Rho steps=504835846
  used search table size=393604
 used time=5912.57 sec