* Title:For the Birds
* Designer:jnz
* Type:Solution
* Follows:bykinig
* Physics:2
                                                  
                                                  
                                                  
                                                  
                                                  
    ICCCJ                                        )
     rst(                       ICCCJ             
     q~u(                        rst              
ICCCCponCCCCJ                    q~u              
 I   klm   J                ICCCCponCCCCJ         
  I  j~!  J                  I   klm   J          
   I ihg J                    I  j~!  J           
    I.~:J                      I ihg J            
      v=                        I.~:J             
      L                           v               
(                                 L               
(                                                 
              ICCCJ                               
               rst                                
               q~u                 /    ICCCJ     
          ICCCCponCCCCJ\          /      rst      
           I   klm F J  \        /       q~u      
            I,Fj~!M,J    \      /   ICCCCponCCCCJ 
             I ihg)J      \    /     I   klm   J  
              I.~:J        \  /       I  j~!  J   
                v           \ )        I ihg J    
                LW           M=         I.~:J     
                 W           M            v=      
                             1 |          L       
                /F===========TW                   
               /           | ?