a b/img687.txt 

  1
  
0 0.7555970149253731 0.5771276595744681 0.12313432835820895 0.17553191489361702





  
  

  2
  
0 0.18470149253731344 0.4228723404255319 0.08582089552238806 0.11170212765957446





  
  

  3
  
0 0.3656716417910448 0.19680851063829788 0.08208955223880597 0.1276595744680851