* Title:Solution to dodufyd
* Designer:jf
* Physics:1
                               g                  
      +                       gg                  
                              gg F                
     M.>>>>>>>>>>>>BBBBBBBBBB gg                  
     M             B13579bdfB gg                  
     MM            B::::::::B gg                  
     MM =                     gg                  
     MM   <<<<<<:::BTTTTTTTTB<<<                  
     MM            B02468aceB                     
     MM   x     VVV__________                     
     MM    x                                      
     MM           /-                              
     MM  K>:                                      
     MM  u       >==:                             
     MM  =      :+     =                          
     MM             >VV                           
     MM  <<<    =M                                
     MM                                           
     MM>>>>>>>>>>=>>>>                            
                                                  
     <<<<<<<<<<<<<<<<<<