 
     
     
     1
                                1
                             
     
     
     
  1
                                1
                             
     1
                                1
                             
     1
                                1
                             
     
     
     
     
     
     
     1
                                1
                             
     
     
     
     2
                                2
                             
     1
                                1
                             
     
     
     
     
     1
                                1
                             
     
  
     
     
     2
                                2